Eco-Friendly Frontiers: Biodegradable Bags in Diverse ...

29 Jul.,2024

 

Eco-Friendly Frontiers: Biodegradable Bags in Diverse ...

With the rising demand for eco-friendly solutions, biodegradable bags are making their mark across various sectors. From packaging and catering to the retail industry, these sustainable alternatives are becoming increasingly prevalent.

Goto HuaWei to know more.

Today, let's explore how biodegradable bags are revolutionizing each of these fields, offering a greener choice that aligns with our environmental commitments. Join us in discovering the versatile applications of biodegradable bags and how they're contributing to a more sustainable future, one bag at a time.


Compostable Food Storage Bag


 

Size: 6.7" x 6.8" 

Type: Zipper Closure

Function: Resealable

Shape: Rectangle

Use: Vegetables, Fruit, Snacks

 

Health: This kind of food fresh-keeping bag is made of natural plant materials, which requires less energy for production, helps to reduce the waste of energy and resources, and creates a beneficial storage environment for your food. Keeping fresh can not only prolong the life of your fruits and vegetables, but also reduce the loss of vitamins by as much as 50%, so you know you can get the most benefit from your products.

 

Environmental protection: reusable compostable food storage bags are environmentally friendly. Perfect for storing food in the refrigerator or carrying snacks with you. These are suitable for storing all kinds of foods, including foods related to fat and acid.

 

Storage: They work well in the refrigerator or freezer and have good puncture resistance and elasticity. Buy these small, medium and large bags that can be repeatedly sealed and composted to meet all your food storage needs.

 

Biodegradable Trash Bag



Material: 100% Biodegradable and Compostable (PBAT+PLA+Corn Starch)

Stock size: 18" x 20 "&#;4 gallon&#;, 24" x 26 "&#;13 gallon&#;

Thickness: 11-50 microns

Package Options: Coreless Rolls, Kraft box

Type: Flat top, Drawstring, Easy-Tie Handles

 

Applicability: These bags come in different sizes and specifications to meet different family needs. For example, a 13-gallon bag is usually used to dispose of kitchen garbage, while a 4-gallon bag is suitable for a space like a living room.

 

Bearing capacity: Although the material is similar to the traditional plastic bag, the biodegradable choice shows strong bearing capacity. They can effectively contain a large amount of waste without tearing, ensuring reliable use.

 

Waterproof: biodegradable garbage bags are usually waterproof and can effectively prevent leakage, especially when they are filled with wet garbage. This function can keep the trash can or other collection containers used at home clean.

 

Environmental awareness: Different from traditional plastic bags, these biodegradable substitutes give priority to environmental sustainability. Under suitable environmental conditions, they will naturally decompose and inhibit environmental pollution. Integrating these bags into household waste management can cultivate people's awareness of waste classification and environmental protection and cultivate a more environmentally friendly lifestyle.


 

Compostable Clothing Bag

 


Thickness: 20-100μm

Type: zipper-pull tab

Shape: Rectangle

Use: Shoes & clothing, Underwear, Children&#;s clothing, Socks, Other Shoes & Clothing, packing

 

Performance: Embracing ecological consciousness does not mean compromising on quality. These 100% compostable garment bags outperform traditional plastic counterparts in performance. Even under heavy objects, these bags can remain elastic and waterproof, which can effectively protect your clothes. Their structural integrity ensures that the bottom will not collapse, while their tear-resistant design ensures lasting durability.

 

Material: tailored for clothing and related industries, our matte bag is the pinnacle of environmental protection packaging solutions. These bags are made of corn starch, PLA and PBAT, providing a unique blend, which not only ensures firmness, but also ensures complete biodegradability. In only 180 days, these bags are transformed into rich compost, which has a sustainable impact on the environment.

 

Practical: These compostable garment bags are suitable for all kinds of articles. From shoes and clothes to underwear, children's wear, socks and all kinds of other clothes, these bags provide reliable packaging solutions for all kinds of items, ensuring protection and environmental protection.

 

Function: The ventilation holes on these bags can achieve the best air circulation, prevent any potential moisture accumulation and promote the natural degradation process. The zipper ensures easy opening and safe closing, which adds convenience to your clothes storage experience.

 

Biodegradable Courier Bag


 

Size: 9.8"x13"x1.6"

Material: PLA+PBAT plant starch

Type: self-sealing

Function: resealable

Uses: express parcel packaging, mail packaging

 

Practical: This biodegradable courier bag can send your package safely and sustainably. These bags are very suitable for clothing parcels, express mail and postal services.

 

Environmental protection: the completely biodegradable courier bag can be completely degraded in the natural environment within 12-24 months and in the humid environment within 6-8 months. It decomposes into carbon dioxide, water and organic matter in some natural environments. No pollution.

 

Bearing capacity: They are strong enough and durable enough to bear a certain weight of packages and ensure that the items are not damaged during transportation.

 

Protection: Waterproof self-sealing bag helps to keep your things dry and safe. Degradable bags can provide good waterproof and moisture-proof performance, and protect packages from the external environment, especially in wet or bad weather conditions.

 

Biodegradable Food Takeaway Bags

 

Size: customized

Function: biodegradable, heavy-duty, environmentally friendly.

Materials: biodegradable plastics

Application: food takeaway

 

Environmental protection: the biodegradable materials used in these food take-away packaging bags usually come from renewable resources, such as plant starch or corn starch. They can decompose naturally in a relatively short time in a suitable environment, such as composting sites. This means that even if abandoned in the environment, it will not have a long-term negative impact on the ecosystem like traditional plastic bags.

 

Bearing capacity: biodegradable food takeaway packaging bags usually have quite good bearing capacity. Their design goal is to be able to carry food safely and maintain the freshness and integrity of food. These bags can carry a certain weight of food, such as take-away food, fruit, bread, vegetables, etc., to ensure that these foods are not damaged or polluted during transportation.

 

Water resistance: biodegradable food take-away packaging bags usually have a certain degree of water resistance, but not all bags made of materials behave the same under wet or liquid conditions. These bags are usually made of materials that can withstand moisture or slight liquid contact in a short period of time, such as food vapor or slight overflow that may occur during transportation.

 

Adaptability: it is suitable for one-time use, especially for food take-away packaging. They usually come in different sizes and shapes to suit different types of food.

 

Retail Shopping Bag


  

Material: 100% Biodegradable and Compostable

Size: 9.84'' x 14.56''&#;13'' x 21.6''

Thickness: 25 - 50 microns

Package Options: Bulk, Header Card, Kraft box

Type: Handle Tie

 

Environmental protection: When these compostable shopping bags complete their life cycle and are composted, they will return to the earth gracefully in the form of water, carbon dioxide and rich humus. This remarkable change emphasizes their role in minimizing ecological harm and leaving the smallest environmental footprint.

 

Diversity: These biodegradable shopping bags come in different sizes and thicknesses, providing a multifunctional solution for your carrying needs. From the details of daily necessities to the purchase of large items, these bags are tailor-made to adapt to various items without affecting space or convenience.

Are you interested in learning more about biodegradable garment bags? Contact us today to secure an expert consultation!

 

Durability: These biodegradable shopping bags are specially designed for elasticity and have extraordinary strength and durability. With its sturdy structure and user-friendly handle, it can effectively alleviate the concern about potential tearing, leakage or overflow. Please rest assured that these bags provide a reliable and safe way to carry your goods sustainably.

 

Applicability: These compostable shopping bags have found their place in countless commercial environments, such as supermarkets, grocery stores and retail stores.


&#;&#;&#;&#;&#;&#; is a leading manufacturer specializing in biodegradable and compostable bags. Our bags are designed for different uses, such as food waste disposal, shopping, and packaging. For more information about biodegradable bags, feel free to contact us at .

Degradable & Biodegradable bags - Packaging News

Introduction

Why Degradable or Biodegradable bags/film?

Conventional plastics do not break down. Litter and landfill waste take years, even decades, to degrade. Litter is visual pollution, an eyesore that regulations and educational programs have failed to eliminate. In landfills, not only do ordinary plastics degrade very slowly but also anything contained within them may not reach their full degradation potential. This results in a needless waste of valuable landfill space.

Therefore, Degradable/Biodegradable bags are developed to make your daily tasks of waste reduction easier, safer and better for the environment.

What is the difference between degradable and biodegradable?

Degradation is a process whereby very large molecules are broken into smaller molecules or fragments. Normally, oxygen is incorporated into these molecular fragments. Typically, strong, tough plastic films become weak and brittle as a result of oxidative degradation. This outcome is because the molecules of which the films consist become much smaller. Degradation can be caused (initiated) by heat, or exposure to UV light and is enhanced by mechanical stress.

"Degradable Plastic: a plastic designed to undergo a significant change in its chemical structure under specific environmental conditions resulting in a loss of some properties that may vary as measured by standard test methods appropriate to the plastic and the application in a period of time that determines its classification." [ASTM D883-99] - American Society for Testing and Materials.

Biodegradation is the process by which microorganisms (microbes such as bacteria, fungi or algae) convert materials into biomass, carbon dioxide and water. Biomass is a general term used to refer to the cells of the microorganisms that are using the material as a carbon source to grow on.

"Biodegradable Plastic: a degradable plastic in which the degradation results from the action of naturally-occurring micro-organisms such as bacteria, fungi, and algae."[ASTM D883-99]

There are two primary differences between 'degradable' and 'biodegradable'. Firstly, heat, moisture and/or UV exposure most often causes the degradation of a degradable product, whereas microorganisms degrade a biodegradable product. Secondly, degradable products tend to take much longer to break down into carbon dioxide, biomass and water.

When degradable plastics break down into smaller molecules, eventually they will be small enough to be consumed by microorganisms and so biodegradation occurs. In essence then, all degradable films will eventually biodegrade but at different speeds.

What they are made of?

Biodegradable/degradable plastics can be made from many different sources and materials as listed below:

  • Starch based polymers: Thermoplastic starch based polymers made with at least 90% starch from renewable resources such as corn, potato, tapioca or wheat.
  • Polyesters (Bacteria based polymers): Polyesters manufactured from hydrocarbons (oil or gas). All polyesters degrade eventually, with degradation rates ranging from weeks for aliphatic polyesters(e.g. polyhydroxyalkanoates). Bacteria are an additional treatment used to create a different type of biodegradable polymer.
  • Starch or Polyester blends: Mixed with thermoplastic starch with polyesters made from hydrocarbons.
  • Oxo-biodegradable polymers: These polymers undergo controlled degradation through the incorporation of 'prodegradant' additive (additive that can trigger and accelerate the degradation process). These polymer undergo accelerated oxidative define degradation initiated by natural daylight, heat and/or mechanical stress, and embrittle in the environment and erode under the influence of weathering.
  • Photodegradable polymers: These polymers are those that break down through the action of ultraviolet(UV) light, which degrades the chemical bond or link in the polymer or chemical structure of the plastic. This process can be assisted by the presence of UV-sensitive additives in polymer.
  • Water-soluble polymers: These polymers are those that dissolve in water within a designated temperature range and then biodegrade in contact with microorganisms.

What are my options for Polythene Film?

There are two main options for making normal polyethylene into a biodegradable film:

Starch based or Biobased (Hydrodegradable)

It is made from corn (maize), potatoes, wheat. This form of biodegradable films meets the ASTM standard (American Standard for Testing Materials) and European norm EN for composting as it degrades at least 60% within 180 days or less.

Examples of polymers with which starch is commonly used:

  • Polycaprolactone (PCL)
  • Polyvinyl alcohol (PVA)
  • Polylactic acid (PLA)

Pros & Cons of Starch based to Additive based film/bag

Pros:

  • Degradable & Compostable
  • No fossil fuel or very little fossil fuel (if % mixed with traditional polymer)
  • Faster degradation

Cons:

  • Poorer mechanical strength than additive based example - filling a starch bag with wet leaves and placing curbside can result in the bottom falling out when a hauler picks it up.
  • Limited Shelf life
  • Can only be composted in a special composting facility.

Typical Application area

Industrial Compostable Facility, Please visit your local city government's website to see if you have an industrial composting facility that accepts residential compost.

Additive based (Oxodegradable/Photodegradable)

These films are made by blending an additive to provide a UV / oxidative and/or biological mechanism to degrade them. This typically takes 6 months to 5 years in a landfill site and/or standard composting system. In these films, biodegradation is a two stage process; first the plastic is converted by reaction with oxygen (light, heat and/or stress) to molecular fragments that water can wet, and then these smaller oxidized molecules are biodegraded, i.e. converted into carbon dioxide, water and biomass by microorganisms.

Pros & Cons of Additive based to Starch based film/bag

Pros:

  • Cheaper & Proven
  • Controlled degradation
  • Longer shelf life than most biodegradable films
  • Recyclable
  • These films look, act and perform just like their non-degradable counterparts, except they break down after being discarded.

Cons:

  • Made using fossil fuel
  • Degradation depends on conditions of heat, light, stress, air etc.

Typical Applications

Trash Bags, Garbage Bags, Compost Bags, Carrier bag, Agricultural Film, Mulch Film

What is my best environmental and commercial choice of film?

When choosing the biodegradable/degradable film that you are going to use, you have to ask several questions in order to get the correct type of biodegradable film to suit your requirements:

  1. What is the cost of the film absolutely and relative to other film options?
  2. What is its function? - Is it a mailer, a can liner, box liner, a bag for a compost pile?
  3. What will happen to this product once discarded using the intended product? Consider Waste collection and landfill costs, Recycling and Waste-to Energy possibilities
  4. How is the plastic film going to be stored and for how long?

Major UK suppliers of Degradable/Biodegradable bags/film:

Product specification

Common materials used for Biodegradable/degradable film:

  • Low density polythene blended with degradable additive
  • Medium density polythene blended with degradable additive
  • High density polythene blended with degradable additive
  • Recycled polythene blended with degradable additive
  • Starch based plastics

Available Thickness

80 Gauge(20microns) to Gauge(250microns)

Tolerances:

Normally, Biodegradable film/bags in Great Britain should follow widely accepted industrial standards according to British Standard - see BS,

  • Width: Plus or minus 3mm (0.125") or 2% whichever is greater
  • Length: Plus or minus 6mm (0.25") or 2% whichever is greater
  • Gauge: Plus or minus 10%

Standards for 'Biodegradable/degradable film or bag' to use for food contact and medical application:

Food Contact - To use Degradable/Biodegradable film or bags inside European Union, in contact with food should comply with the relevant legislation on food contact including Great Britain.

  • Great Britain: Statutory Instrument, No. and BPF-BIBRA (), Polymer Specification 4, Polyethylene
  • EU: Commission Directive 90/128/EEC, 92/39/EEC, 93/9/EEC, 95/3/EEC and 96/11/EC, Section A.
  • Example of a company comply with food contact: Polybags Limited

Medical use - Similarly, to use Degradable/Biodegradable film or bags inside European Union, to produce containers for preparations for medico-pharmaceutical purposes should comply with the following regulation:

  • European Pharmacopoeia - Monograph 3.1.3 "Polyolefin's" for medico-pharmaceutical purposes.
  • The final responsibility for the decision of whether a material is fit for a particular application lies with the pharmaceutical firm.
  • Example of a company comply with medical use: Polybags Limited

Special options available in Biodegradable/Degradable bags

  • Flat Biodegradable/Degradable bags: Standard Biodegradable/Degradable bags often called by flat bags. It is used for general purpose.
  • Gusseted Biodegradable/Degradable bags: Plastic bags with fitted bottom and expandable sides (gusset) form to the shape of your product.
  • Perforated Biodegradable/Degradable bags: Perforated bags have a perforation for a easy tear off from either a bunch of bags or roll.
  • Plain Mini grip/Self seal/Reclosable bags: Plain Self-seal biodegradable/degradable bags with interlocking closure that can be used over and over again. Ideal where you want to secure contents and avoid leakage or contamination, no need of heat sealing.
  • Plain Self seal biodegradable/degradable bags with write on panel: Plain self-seal biodegradable/degradable bags with write on panels is used for content identification, coding etc. Easy to label contents using a marker, ballpoint pen or pencil.
  • Biodegradable/Degradable Specimen bags: Biodegradable/Degradable Specimen bags comes with outer pouch for record cards. Ideal for use in hospitals, medical labs to safely transfer specimens and paperwork.
  • End weld (bottom) Biodegradable/Degradable bags: End weld bags are generally welded in the bottom. Bottom weld offers added strength for packing heavier items.
  • Side weld Biodegradable/Degradable bags: When bags welded on the sides of the bags is referred to Side weld bags. Side weld bags are ideal for packaging lighter materials such as greeting cards/envelopes.

Common uses

Biodegradable/degradable bags can be used for any application however it is popular for following use:

  • Refuse sacks
  • Bin liners
  • Carrier bags
  • Bread bags
  • Compostable bags

Buy Common Degradable/Biodegradable bags

News

BBC News - All Tesco bags 'to be degradable, 10th May'06

Supermarket giant Tesco has said all its carrier bags will be degradable from September.

The bags break down in as little as 60 days into materials such as carbon dioxide and water with no harmful residue, unlike plastic bags.

The firm hopes a billion fewer plastic bags a year will be used in a bid for it to be more environmentally-friendly.

The Co-op first introduced degradable bags in and Sainsbury's have trialled compostable bags.

Bag tax

Tesco chief executive Sir Terry Leahy announced the measure as part of a 10-point plan, which include halving Tesco stores' energy use by compared with the year .

But Liberal Democrat environment spokesman Chris Huhne said he would rather see a tax on plastic bags introduced.

"Biodegradable plastic bags in themselves can have an adverse environmental impact by creating greenhouse gases within landfill sites.

"The government should look again at introducing some form of plastic bag tax which will make supermarkets and consumers think twice before they give away and use plastic bags in the first place."

The company has also pledged to reduce deliveries to its local Express convenience stores to cut congestion.

It aims to double the amount of material customers return to stores for recycling by .

Addressing the Work Foundation think tank, Sir Terry urged the government to back its plans by allowing developments to go ahead.

"Much of this new sustainable technology, for example wind turbines at our stores, requires planning permission", he said.

Tesco first introduced degradable bags in its stores two years ago. It estimates 719 million degradable carrier bags have since been used by customers, saving the equivalent of 6,035 tonnes of non-degradable plastic.

Reference: http://news.bbc.co.uk/1/hi/uk/.stm

Sainsbury's launches compostable packaging, 9th September'06 - Dailymail

Sainsbury's is to sell 500 of its own-brand products in 'compostable' packs to cut down on packaging waste.

Fruit and vegetable wrappers and ready-meal packs can be put on compost heaps with garden clippings and food waste.

The store chain is calling on other retailers to follow suit as well as urging the Government to provide compost bins for all homes.

According to Sainsbury's, the compostable packaging - which was tested on a small number of organic products - will reduce plastic waste by around 3,550tons per year.

It will also save 4,010 tons of fossil fuel used in manufacturing the plastic and reduce rubbish collected for landfill. The packs are made from maize, sugar or plant-based starch which breaks down into carbon dioxide and water. In warm weather, the packaging may break down in as little as a fortnight.

From this month, Sainsbury's will print advice such as 'please recycle' or 'sorry, not recyclable' on its own-brand lines.

Almost half of its organic fruit and vegetables will be in compostable packaging from this week, rising to 80 per cent by January. The scheme will extend to all its ready meals by September .

Chief executive Justin King said: 'We're confident that putting 500 types of our food, from ready meals to organics, in compostable packaging will significantly help to reduce the packaging that most threatens the environment.

'It also creates an opportunity for customers to dispose of their own waste at home.'

Mr. King said he hoped customers would be able to halve their household waste by composting as well as contributing to safeguarding the environment.

The initiative reflects the drive by all the UK's major supermarkets to 'go green'.

Tesco recently launched a scheme to reward customers for requesting fewer plastic carrier bags.

Sainsbury's has around 10,000 own brand lines, and is the single largest user of compostable packaging in Europe.

Friends of the Earth welcomed Sainsbury's drive to cut packaging waste, but resource campaigner Dr Michael Warhurst said: 'We hope it goes further and phases out all non-recyclable packaging.

'It must also take urgent action to reduce the impacts that its operations have on the environment and farming communities.

'This announcement is a step in the right direction, but it has a long way to go before it can be viewed as a green grocer.'

Jane Gilbert, of the Composting Association, said she hoped every home would be given information on how to compost at home.

Leading supermarkets spend £15billion a year on packaging and customers throw away 4.5million tons of it a year.

Reference: https://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=&in_page_id=

IKEA reaps environmental rewards with corn

IKEA goes biodegradable and introduces the UK's first organic corn starch carrier phasing out plastic bags completely.

IKEA goes biodegradable and introduces the UK's first organic corn starch carrier phasing out plastic bags completely.

To support World Environment Day in June IKEA UK started charging for carrier bags and made a corporate pledge to reduce plastic bag consumption by 70% and introduce a biodegradable carrier bag by September.

IKEA will be the first retailer in the UK to offer a 'compostable' corn starch carrier bag. The bag will be made from starch extracted from corn and will naturally break down in a compost bin. The bag will cost 10p and the money made from charging for the bags will continue to be donated to the organisation Community Forests.

By October 2nd IKEA will have stopped using plastic bags completely. Every year an estimated 17½ billion plastic bags are given away by supermarkets. This is equivalent to over 290 bags for every person in the UK. Most carrier bags never get a second use they get thrown straight in the rubbish bin and take many years to degrade. Some plastic bags are marketed as degradable i.e. the plastic breaks down but is still there just in smaller fragments.

Mr. Charlie Browne Environment Manager at IKEA UK said: "Since we started charging for carrier bags back in June the scheme has been a fantastic success. Over night we saw huge reductions in consumption and all indications are that we will have reduced our consumption by 97% from 32 million last year to 900,000 this year which is far beyond our original expectations.

Our customers are overwhelmingly supportive mainly due to the fact that we make no profit from the project and they are being given a simple choice to help the environment. So the next logical step for us was to take traditional fossil fuel plastic out of the equation."

The new bag will cost 10p. This is a new innovation into the UK retail market place. The technology and material used to make this bag is in its early stage of development, therefore the cost to make this bag is more than a regular plastic bag.

The bag does look and feel like a standard plastic bag. The technology basis for the use of corn is to extract dextrose from the starch that is found in corn. This can then be turned into a polymer material that behaves in a similar manner to standard plastic.

The new bag is designed to be strong in its ordinary working life and will only start to degrade when three elements are present, heat, moisture and bacteria. If any of these elements are missing then the bag will not biodegrade and therefore be fit for use again.

The best place to put the bag is in a municipal composting bin as they can break down material in a very short space of time.

IKEA's business shall have an overall positive impact on both people and the environment. IKEA believe that all wood used in their products should originate from responsibly managed forests. For more information go to www.ikea.com/ms/en_GB/about-the-ikea-group/company-information/

Source of figure 'estimated 17½ billion plastic bags are given away' is Waste Watch - the leading environmental charity dedicated to the reduction, reuse and recycling of household waste.

In IKEA UK gave away 32 million bags. If they were place end to end they would stretch 19,200 kilometers the equivalent of:

  • 29 journeys between Edinburgh and London
  • 3 and a half journeys from London to New York
  • A return journey to Tokyo

England's Community Forests is a national initiative to revitalize and expand the network of trees, woodlands and green space in and around some of our major towns and cities for work, wildlife, education and recreation. For more information visit the Community Forest website at https://www.communityforest.org.uk

Reference: IKEA Plastic Bag Campaign press release

Somerfield introduces disappearing bags - Degradable bags

Somerfield has introduced an environmentally responsible alternative to the standard carrier bag in response to growing concerns about landfill and littering. The new carrier bags look identical to traditional ones, but are made from Europackaging degradable polythene. This important step is fully supported by The Soil Association as a positive contribution to the environment.

Our new carriers were introduced to selected stores on 26th November and will be rolled out nationwide from February onwards. Programmed to have a usable life of 18 months, they can be used and reused just like conventional carrier bags, but will biodegrade once put into commercial scale compost heaps.

To make our degradable launch a 'joined-up' initiative, we will also be introducing bin liner packs in store made from the same degradable material. The technology is branded as DW3&#; and utilises a special additive, which allows time-controlled total degradation of the plastic material to leave only water, carbon dioxide and biomass. This form of degradable plastic is unique to Europackaging and is already used for other applications, such as refuse sacks, fruit & veg packaging and mailing film.

If you prefer a more durable bag that you can reuse, our 'bag for life' is available for 10p. While it is not degradable, you can still contribute to the environment by using it over and over again.

Making a positive contribution

Each year, the UK grocery industry uses enough carrier bags to carpet the planet twice and these conventional carriers take 100 years or longer to degrade. Even if we try to reuse plastics, they still end up in landfill, as there are few schemes available to recycle them due to the large range of polymer types involved. Conventional plastic bags in landfill, delay domestic 'green' waste (potato peelings, tea bags, etc..) inside them from naturally biodegrading, because the bacteria activity is encapsulated within the plastic. This is where degradable bags can make a big 'hidden' effect, creating available space and helping landfill settle quickly, instead of pockets of unsettled rubbish.

On top of this we believe that these new bags will help to reduce the long-term effects of problems such as littering, enabling Somerfield customers to contribute to the environment without any massive change to their current behaviour. The new DW3&#; bags can simply be used and re-used and then responsibly disposed of when they will disappear completely.

The process

The bags are just as strong as conventional plastic bags, but are programmed to have a usable life of 18 months. After this, the structure starts to weaken as the bags begin to degrade. The end result is that the plastic loses all of the water and gas within its structure to leave minerals that are compatible with soil.

Somerfield bags are not reliant on microbial presence (biological activity) to break down, so they are not classified as just biodegradable, but if they are put into commercial scale composting** heaps, they will eventually become biodegradable.

The technology has been independently tested and proven to be environmentally safe, leaving no toxic substances at the end of the degradation process, and has also been tested as safe for direct food contact under EU standards.

** Composting exceeding the minimum temperature of 55°C required in The Composting Association Standards for Composts. (Ref. Emily Nichols ).

Reference: Somerfield PLC press release

BBC News - Degradable carrier bags launched, 2nd September

The country's first degradable carrier bag is being provided at Co-op supermarkets.

The bag, available free of charge from Monday, will disintegrate to practically nothing within three years, it is claimed.

The move comes as the government considers whether shoppers should face a 10p bag tax - similar to one already in force in Ireland.

Although the Co-op is the first to convert, it is understood bigger high street names may follow suit before the end of the year, in an effort to cut waste.

Shoppers in Britain are estimated to use up to 20 billion plastic carrier bags a year.

Only one in every 200 is recycled and each takes about 100 years to degrade.

Co-op claims the new degradable bag will be strong and reusable, with a special additive which starts the degrading process after 18 months.

This can occur either in landfill sites, where most carrier bags end up, or above ground.

Problems

And all that remains are small amounts of carbon dioxide, water, and certain minerals. However, Friends of the Earth questioned whether any such petrol-based carrier could be seen as environmentally friendly. Mike Childs, senior campaigner at the group, said: "One of the problems with degradable plastics is when they are thrown into a hole in the ground and break down, as there is no oxygen, the carbon turns into methane which is a greenhouse gas. We would like to see plant-based plastics being used or, even better, reusable bags."

The degradable carrier is provided by Hertfordshire-based Symphony Environmental Ltd, part of Symphony Plastics. And Michael Stephens, technical director at Symphony, said Friends of the Earth was misinformed.

"There is oxygen in landfill sites in the upper layers and even so, the amount of carbon in one bag is the same as a human produces eating a slice of bread," he said.

Although the Co-op bag is the first such carrier available in Britain, Symphony already makes degradable rubbish bags using the same technology. Environment Minister Michael Meacher is believed to be considering a tax on plastic bags following the success of a scheme in Ireland. The 9p tax was introduced in March and in the first three months, bag usage dropped by 90%.

Reference: http://news.bbc.co.uk/1/hi/uk/.stm

See people's VOTE on the best way to deal with plastic bag litter

  • Require plastic bags that degrade - 33.1%
  • Set up a bag-recycling infrastructure - 28.9%
  • Educate the public to avoid litter - 27.4%
  • Ban plastic bags - 6.6%
  • Tax plastic bags - 3.9%

Total Votes: 332

Poll Date: September 16,

If you are looking for more details, kindly visit biodegradable plastic mulch.

Reference: https://www.plasticsnews.com