“Biodegradable”, “compostable”, “eco-friendly”, “recyclable”: packaging suppliers and brands use these words freely, and buyers are expected to know the difference. Often they are treated as synonyms. They are not, and the gap between them matters both for the environment and for the claims a brand prints on its packaging. This article explains compostable vs biodegradable in plain terms, how recyclability differs from both, and what proof a buyer should ask for before accepting any of these claims from a supplier, including us.
What “biodegradable” means
A material is biodegradable if microorganisms such as bacteria and fungi can break it down into natural substances: water, carbon dioxide or methane, and biomass. That sounds precise, but on its own the word says very little, for two reasons.
- Almost everything biodegrades eventually. The real question is how long it takes. A claim without a timeframe is not useful.
- Conditions decide the speed. Temperature, moisture, oxygen and the presence of the right microorganisms all matter. A material that breaks down quickly in one environment may last for a very long time in another, for example in a landfill with little oxygen.
So when you see “biodegradable” on packaging, the useful follow-up questions are: in what conditions, how quickly, and according to which test?
What “compostable” means
Compostable is a narrower and more demanding term. A compostable material must not only biodegrade but do so within a defined period under composting conditions, break down into fragments that are no longer visible, and leave no residues that harm the resulting compost. These requirements are set out in standards; in Europe, for example, EN 13432 is widely used for packaging intended for industrial composting.
There is an important distinction within the term:
- Industrial composting takes place in facilities where temperature and moisture are controlled. Many materials certified as compostable are designed for these conditions.
- Home composting happens in a garden heap or bin, at lower and less stable temperatures. A material that composts industrially may not break down properly at home.
A compostable claim therefore has practical value only if the customer has access to the right kind of composting. If packaging certified for industrial composting ends up in general waste, it is treated like general waste.
Compostable vs biodegradable: the short version
| Term | What it promises | What to check |
|---|---|---|
| Biodegradable | Breaks down by microorganisms, at some point, in some conditions | Conditions, timeframe, test method |
| Compostable | Breaks down within a defined time in composting conditions, without harmful residues | Standard, certificate, industrial or home |
| Recyclable | Can be collected and turned into new material | Whether local collection accepts it |
Recyclable is a different idea
Recyclability is not about breaking down at all. It is about collecting a material after use and processing it into new material. Paper is a good example: paper and board are collected separately in many places and reprocessed into new paper products. For a paper bag, that is usually the most practical end of life.
Recyclability also depends on local conditions. A material is only recycled in practice if there is a collection system that accepts it. Combined materials, such as paper with a foil or plastic layer, can be harder to process than plain paper, and local rules for them vary.
For a buyer, this changes the question worth asking. Instead of “how quickly does this bag break down?”, ask “can my customers put it in paper collection where they live?” For a plain paper bag, the answer is usually straightforward. For packaging that combines several materials, check before you print any disposal instruction on it.
What Vita Group claims about its bags, and why
We make paper bags, and paper is one of the materials customers most readily associate with sustainability. It would be easy to print “biodegradable” or “compostable” in our catalogue. We do not, because a responsible claim of that kind requires testing against a defined standard and certification, and that is not what we can document for our bags.
What we do say is simple and verifiable: paper bags can be recycled wherever paper is collected. The documents we can provide are listed on our certificates page: ISO 9001 for our quality management system and an EAEU Declaration of Conformity under TR CU 005/2011 on packaging safety. If you are choosing between paper types for your bags, our guide to kraft, coated paper and cardstock explains the differences.
What to ask for as proof
Whenever a supplier describes packaging as compostable or biodegradable, ask for the following before you rely on the claim, and certainly before you print it on your own packaging:
- The standard. Which standard does the claim refer to, and is it for industrial or home composting?
- The certificate. Who issued it, what is the certificate number, and is it valid today?
- The scope. Does the certificate cover this exact product, material and thickness, or only a raw material used in it?
- The whole item. Does it cover all components: inks, adhesives, handles, windows, coatings?
- The test report. Was testing done by an independent laboratory, and can you see the report?
If the answers are vague, treat the claim as marketing rather than fact.
How to talk about your own packaging
The safest approach for a brand is to say less, but say it precisely. Instead of a general “eco-friendly bag”, tell customers what to do with it: “Please recycle with paper.” That instruction is useful, honest and easy to support. Avoid vague words that cannot be checked, and do not repeat a supplier’s claim on your packaging unless you have seen the documents behind it.
The bottom line
Biodegradable describes a process that depends on conditions and time; compostable is a stricter, standardised term that also depends on access to the right facilities; recyclable means the material can be collected and reused. When comparing compostable vs biodegradable claims, look for a named standard, a valid certificate and a clear scope. For paper bags, the honest and practical message is recycling where paper is collected.
Have questions about documents for your packaging? Contact our team, and we will tell you exactly what we can provide.