You may have heard more about biodegradable materials in the past few years, and how we should all be looking to reduce our use of traditional plastics and instead seek to use biodegradable materials when possible. But, what exactly does biodegradable mean? What are the benefits of biodegradable bags? Should your business switch to biodegradable bags? This article explains everything about biodegradable bags and their advantages for the environment.
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The strict definition of a biodegradable material according to the Cambridge Dictionary is a substance or object that is &#;able to decay naturally and in a way that is not harmful.&#;
In other words, if something is biodegradable, then eventually it will break down into smaller pieces by microorganisms such as bacteria or fungi.
It can be a little confusing though since there is no time limit on how long it must take before a biodegradable material needs to break down by. That is the main difference between compostable and biodegradable plastics. And an important consideration to take into account when choosing biodegradable bags for your business.
Find out more about the differences between biodegradable, compostable and recyclable materials.
Through continued research, development, and field trials, Polystar is proud to be one of the key independent specialist UK manufacturers able to produce this product which is a 100% compostable material made from a blend of co-polyester and PLA (sugar cane).
Our fully biodegradable, compostable bags and film are 100% compostable, as well as this Polystar&#;s biodegradable bags&#; key features, include the following:
Fully recyclable
Equivalent strength and weight compared to traditional plastic
Leakproof
Degrades on land or sea
As you can see, there is no compromise in quality when it comes to using biodegradable bags, but what further advantages are there? There are multiple benefits to choosing biodegradable bags, here we&#;ve created a list of the top seven reasons why you should choose biodegradable packaging products for your business.
Polystar&#;s unique biodegradable material is made from PLA bioplastic. As this is plant-based, the manufacturing process produces far fewer carbon emissions than traditional plastic. While traditional plastic releases four tons of emissions, biodegradable plastics emit only 0.8 tons of carbon &#; a 500% reduction!
Currently, the UK generates over 30 million tonnes of household waste every year, approximately 35% of which is garden and kitchen waste. As biodegradable plastics break down over time, this means there is a large reduction in the volume of waste being created which means less waste ending up in landfill. With less wastage taking up space in landfills, the outcome is less overall waste to manage. Saving land for other purposes and preserving the beauty of our planet.
The oils that come from plants make bioplastics far superior materials compared to traditional plastic types. The oils make the surface of bioplastics more malleable and less brittle so that it&#;s easier to form new shapes and textures.
They are just as moldable as traditional plastics and can be turned into various appealing ways to suit your requirements. In addition to this, they can also be recycled and repurposed multiple times in their life cycle.
Compare this to some non-biodegradable plastics, they are not safe for repurposing because some materials can leak toxic, dangerous chemicals that may leak after the first use. Since biodegradable bags and packaging come from natural materials found in nature, there are no dangerous chemicals or toxins in these items.
As biodegradable products break down naturally, they eventually decompose and are consumed by soil and other natural components. This natural process means no forced chemical reaction needs to take place to kickstart the process and less pollution will happen as a result.
Given that they take a lot less time to decompose than traditional plastics, they are easy to recycle, that&#;s too without releasing toxic elements.
Biodegradable bags are made from natural materials which means that they are safer for users.
Traditional plastics are made with harmful by-products and chemicals which are a threat to the environment and life as well. They are likely to emit these harmful substances during the breakdown process. What&#;s more, the plastic used for most standard water bottles, PET, can attract harmful bacteria or even leak chemicals.
But this is not a case with biodegradable plastic, further supporting the case for biodegradable plastics. They are safe and don&#;t release toxins during their breakdown process. They are absorbed by the soil.
Biodegradable plastics also minimises the use of petroleum supplies. Traditional plastic is manufactured by oil molecules being heated and treated to convert into polymers.
Nearly 2.7 per cent of a country&#;s petroleum is used in the traditional plastic manufacturing processes.
Biodegradable plastics, on the other hand, are made using natural materials such as sugar cane, corn, orange peels, starch, and plants. This process requires far less energy and usually does not involve the burning of fossil fuels.
Therefore, this means that the amount of biodegradable plastics that can be manufactured is much higher while simultaneously using far less energy. So, as well as using less precious resources, there is less pollution being produced. By reducing the production of traditional plastics and making more biodegradable plastics instead, we can reallocate oil resources to other causes like heating and transport.
Another benefit of biodegradable bags is the positive effect it can have for your brand. Major corporations such as Coca-Cola are using bioplastic products due to its sustainable reputation. Choosing greener options can have a positive impact on your brand alongside helping the environment.
So as demonstrated, there are many benefits of using biodegradable products. They are safe for the environment and their use should be encouraged. However, the need for plastic usage awareness and education regarding their repurposing is necessary as wise use can make a difference.
If you are interested in sourcing, greener packaging alternatives we&#;d love to hear from you. Please call us on or contact us online to take advantage of our free consultation service and see how much you could save.
According to a report published in December by OCEANA, an international ocean protection organization, retail giant Amazon generated approximately 709 million pounds of plastic packaging waste in , an increase of 18% compared to . As consumer buying power increases, this figure is set to increase year after year. Furthermore, plastic packaging will also be widely used in the manufacturing industry, food industry and catering industry. According to the statistics from Organisation for Economic Cooperation and Development (OECD), the plastic waste generated worldwide has more than doubled from to , of which nearly two-thirds of the plastic has a use life of no more than five years, and 40% comes from packaging, which is indispensable in daily life. This is incinerated, buried in landfills, or left in the environment to cause pollution, resulting in an environmental catastrophe on Earth. Besides packaging reduction, some packaging is gradually being replaced by eco-friendly packaging. This article will introduce the characteristics of eco-friendly packaging, list the kinds that are currently used or have shown potential for development, and offer a guideline for enterprises to select and use eco-friendly packaging, helping them to understand eco-friendly packaging and how it can replace plastic packaging.
What is Eco-Friendly Packaging?Compared with conventional packaging, eco-friendly packaging is friendlier for the environment, generates less pollution, and helps to realize a circular economy. Currently, the most common eco-friendly packaging includes the following types, while each type of eco-friendly packaging can be subdivided into several categories:
Packaging is an integral part of many enterprises&#; operations. From the transportation of products after manufacturing to the retail end, consumers require the assistance of packaging. Nonetheless, the business model of using a lot of packaging has a significant impact on the earth&#;s ecology, including climate change caused by petroleum-based plastics, mountains of waste, as well as packaging pollution and microplastics that are found in the ocean. Hence, it is imperative to adopt eco-friendly packaging immediately. In order to achieve SDGs12: Responsible Consumption and Production, the management of packaging waste is an important ESG-related issue for most enterprises. Utilizing eco-friendly packaging can increase the ESG rating of enterprises in greenhouse gas (GHG) emissions and waste management, thereby improving their ESG evaluations and fulfilling corporate ESG responsibilities.
What is Biodegradable Packaging?Biodegradable packaging is made from biodegradable materials that can be broken down by microorganisms after use. Most biodegradable packaging is required to be decomposed completely into substances found in nature after several months. Due to its easy-to-break-down characteristics, it is often used for disposable packaging for vegetables, fruits, beverages, and leftovers.
What are Biodegradable Materials for Packaging?Conventional packaging materials are mainly plastic, which takes a long time to break down, while biodegradable packaging materials including paper, cornstarch, seaweed, and mycelium are for the most part renewable materials that can be decomposed in a short time.
11 Types of Biodegradable Packaging Corrugated boxesCorrugated boxes are one of the most common biodegradable packaging available. Untreated corrugated boxes will soften and crack when exposed to water, and eventually decompose completely. If corrugated boxes are not contaminated by external substances such as oil stains or chemicals, they can be used repeatedly and recycled to make new boxes. However, since paper is derived from wood, it is important to observe whether the boxes are produced using sustainable trees. Cardboard boxes certified by the Forest Stewardship Council® (FSC®) ensure sustainability, while reducing printing and waterproof plastic coating on the boxes ensures decomposability and recyclability after use.
Corrugated boxes, Image: Flickr
Bagasse bagsBagasse bags are a biodegradable packaging that can be composted at home. The light and waterproof bags are made from the leftover plant fiber after sugar cane has been squeezed. The food-grade raw material is suitable for packaging food and kitchen waste. After use, it can be directly buried in the soil as compost.
Kraft paper bagsKraft paper bags are produced with paper pulp. Since kraft paper bags are neither waterproof nor oil-proof, they are mainly used for packaging bread, letters, and clothes. The non-toxic, odorless, non-polluting bags offer a high-quality texture, making them suitable for the retail industry. However, some kraft paper bags are laminated with a petroleum-based polypropylene (PP) plastic film to become waterproof; these plastic-laminated kraft paper bags are not biodegradable. Meanwhile, the raw material of pulp is wood, thus sustainable forest sources should also be considered.
Unprinted kraft paper bag, Image: Flickr
Polylactide (PLA) bagsThe main ingredient of polylactide (PLA) bags is cornstarch. PLA bags have properties similar to conventional plastic bags, with advantages including mature technology and inexpensiveness. However, because they are not resistant to heat and light, PLA bags are not suitable for direct packaging in factories and are mainly used as shopping bags, bread bags, magazine bags, and so on.
Bagasse food containersBagasse food containers are made from bagasse, which is waterproof and oil-resistant without the need for additional chemical lamination. The product does not contain chemicals such as PFAS, fluorescent agents, and bleaching agents, thus it can be used for holding food such as steak, potato chips, pasta, and burgers. Bagasse food containers can also hold fresh vegetables, fruits, and meat. After use, simply bury them in the soil for composting at home, and there is no need to consume water to clean the containers.
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Edible seaweed filmEdible seaweed film is produced with sodium alginate, a natural thickener in seaweed, which can be used to hold liquid in the form of a sphere. When drinking the beverage, the film can also be ingested, making it natural and safe. Since the seaweed is edible, the film will break down naturally within a few days, so it is usually used for packaging beverages at special events.
Bagasse cupsBagasse cups can replace disposable plastic cups or paper cups, and they can be reused after cleaning. Made from bagasse, an agricultural waste, the cups can withstand heat up to 90 °C, perfect for holding coffee, tea, or water. After approximately one year in use, the cups will start to become brittle and disintegrate, completely decomposing and storing CO2 in the soil when buried.
Burlap sacksBurlap sacks are woven from jute, a natural fiber. After use, they can be buried in the soil by the roots of newly planted trees to provide a good air-permeable drainage layer, producing organic matter and bacteria to allow the sacks to gradually decompose. Burlap sacks can be used to hold rice, wheat, flour, coffee beans, and so on, and they can also serve as shopping bags or backpacks.
burlap sack with green coffee, Image: Flickr
Biodegradable packing peanutsPacking peanuts are small and compressible, able to penetrate the gaps of the packaging to protect and hold the product and absorb shocks. Traditional packing peanuts are made of low-density polystyrene (PS), which is difficult to recycle. Plant-based biodegradable packing peanuts are instead made of starch, which will melt in water in just a few minutes, making them harmless to the environment and even ingestible by organisms. The product can be used as a cushion for electronic components.
packing peanuts, Image: Flickr
Bagasse egg cartonsDue to bacterial residue on the surface of eggs, egg cartons cannot be reused. Bagasse egg cartons are durable and offer a certain degree of cushioning. After use, they can be buried in the soil to decompose.
Mycelium boxesMycelium boxes utilize mushroom roots as a bio-adhesive. When combined with other biodegradable materials such as hemp shells, the boxes offer a considerable thickness that can cushion and protect products by absorbing shock. Also biodegradable after use, the boxes are mainly used for glass bottle packaging, shoe boxes, and other purposes.
Biodegradable Packaging is Good for Food Packaging?Biodegradable packaging is ideal for food packaging. During the process of storing and transporting food packaging waste, plastic packaging may produce unpleasant odors caused by food residues on the food packaging. Meanwhile, oil must be removed before plastic food packaging can be remanufactured, thus the recycling rate of plastic food packaging is not too impressive, while reusing food packaging is difficult because of hygiene concerns. However, biodegradable packaging can be composted with most food residues after use by disposing of it in household or community composting facilities to foster a circular economy.
5 Steps for Businesses Start Choosing and Using Biodegradable Packaging An inventory of various types of packaging currently used by enterprisesFrom procurement, production, and manufacturing to shipping, enterprises require different types of packaging, so taking an inventory of packaging materials currently used is the first step. For instance, a coffee house selling desserts may use packing such as coffee bean bags, flour bags, vegetable and fruit packaging bags, chocolate bags, butter bags, cake boxes, paper coffee cups, and shopping bags. Also, the quantity used is documented, and priority is given to the replacement of the most used items.
Confirm whether it can be suitably replaced with biodegradable packagingAfter confirming the packaging currently used, individually check whether it can be suitably replaced with biodegradable packaging. For instance, vegetable and fruit packaging bags will be placed in the fridge together with cake decoration fruits, thus biodegradable packaging bags are suitable here. Chocolate bags may need to last several months, hence using biodegradable packaging bags is not suitable. Cakes stay fresh for no more than seven days, thus biodegradable cake boxes are ideal.
Choose suitable biodegradable packagingAfter confirming the suitability of biodegradable packaging, the type of biodegradable packaging can be chosen based on the level of eco-friendliness and budget. For example, if there are industrial composting facilities and waste disposal systems near the sales site, PLA packaging is suitable, otherwise bagasse packaging that can be composted at home should be used. Furthermore, the safety, durability, and aesthetics of the packaging must be taken into consideration.
Formulate a plan to introduce biodegradable packagingAfter selecting biodegradable packaging, formulate a plan to progressively implement it. For instance, in regards to &#;health-oriented&#; cakes, new biodegradable cake boxes can be used; when purchasing from a fruit supplier, ask for biodegradable packaging or switch to fruit suppliers who use biodegradable packaging, thereby gradually increasing the ratio of biodegradable packaging until all the items in all categories are using biodegradable packaging.
Document and disclose the amount of packaging usedEnterprises can document the amount of biodegradable packaging before and after introducing the plan, and disclose such information to their stakeholders and consumers. In doing so, they can increase the credibility of their brand and ensure enterprises continue to use biodegradable packaging.
6 Benefits of Businesses Using Biodegradable Packaging Create a good corporate imageUsing biodegradable packaging and disclosing the information to consumers allows them to understand through direct consumption experience that, in addition to business operations, aspects such as eco-friendliness should also be considered to create a good corporate image.
Increase the ratio of industrial waste properly disposed ofIndustrial waste is one of the major corporate operational issues closely monitored by regulatory agencies in different countries. Utilizing biodegradable packaging that complies with the local recycling system enables enterprises to claim that their packaging can be processed through biomass recycling, which in turn increases the ratio of industrial waste properly disposed of.
Lower GHG emissionsMost biodegradable packaging is made of bio-based materials. While growing, plants absorb CO2, hence the life cycle carbon emissions of biodegradable packaging products are considerably lower than those of petroleum-based plastics, thereby reducing the carbon emissions generated by corporate business activities.
Increase corporate ESG ratingsWaste disposal and GHG emissions are key ESG rating items, hence improving these items will also increase corporate ESG ratings, which will be favorable among consumers and investors.
For more information on the benefits and methods of improving the corporate ESG rating, please read this article:&#;The benefits of corporate ESG scores&#;.
Add value to products and brandsAccording to a report by Business News Daily in , over half of the consumers will consider sustainability when shopping, and online searches for sustainable products have increased by 71% in the last five years, indicating that people are paying more attention to eco-friendly packaging and are more willing to accept higher product prices. Using biodegradable packaging endows products with uniqueness on the market, while incorporating the philosophy of eco-friendliness will add value to products and brands.
Create a sustainable supply chainAs global resources are depleting, environmental laws are also becoming stricter. For example, the EU has passed the Directive on Single-Use Plastics, banning the use of ten types of disposable plastic products including food containers, beverage containers, and plastic bags in EU member states&#; markets that can afford alternative solutions. The early use of biodegradable packaging can create a sustainable supply chain to prevent potential future instabilities in procurement and supply, or the abrupt need to fully implement eco-friendly packaging due to regulatory restrictions.
The Packaging Trends in Biodegradable PackagingAs the issues of plastics and GHG emissions come under the spotlight, an increasing number of manufacturers are joining the biodegradable packaging market to develop more multipurpose and affordable biodegradable packaging, hence there is a wide range of mature packaging solutions available. However, the ratio of enterprises using biodegradable packaging is still relatively low; if they begin to use biodegradable packaging now, optimal brand differentiation benefits can be attained. At the same time, if long-term partnerships can be forged with biodegradable packaging manufacturers in advance, enterprises will obtain a more stable product supply as well as the latest biodegradable packaging technology. Replacing conventional packaging with eco-friendly packaging is an inevitable global trend for the future. Consequently, biodegradable packaging is the perfect alternative for disposable packaging in the food, agriculture, and catering industries.
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