Biodegradable, PLA, bio-based plastics, EN 13432???
What does all this actually mean? We want to do educational work. In our “Nature Wiki” you will find many explanations and explanations of terms from the biological and sustainable packaging industry.

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Biobased plastics are manufactured entirely or partially from renewable raw materials. These can be both biodegradable and non-biodegradable.

Bio-based plastics include, for example, PLA, cellulose or starch-based plastics that are biodegradable.

Non-biodegradable bio-based plastics include green PE, which is produced from bio-alcohol. Bio-alcohol is obtained from sugar cane, so it is only produced from renewable raw materials.

In the case of biodegradability, substances are examined for their ability to be decomposed by microorganisms. Materials are described as biodegradable if they are degraded by microorganisms or enzymes, e.g. in the soil.

Disposal in your own garden (standard AS 5810)

Cost-effective and environmentally friendly disposal
During self-composting, the waste in the container reaches a temperature that is only slightly higher than the outside temperature, and this only for a short period of time.
not always optimal composting conditions

  • In industrial composting temperatures of 50 °C are reached over several months with peaks of between 60 and 70 °C.-Always optimal conditions

Composting is a process in which organic waste, e.g. fruit, is transformed into valuable soil with the help of microorganisms.
Compostable according to the European standard DIN EN 13432 (industrial compostable standard) is what…
(a) is biodegradable under composting conditions
(b) at least 90 % decomposes within a composting cycle
(c) has no toxic effect and does not release heavy metals into the compost beyond a certain limit value
(d) does not adversely affect the composting process

Mater-Bi is the brand name for a starch blend made by the Italian company Novamont S.p.A. It is a bioplastic from which the first biodegradable waste bags in Germany were made in 1992.

Mater-Bi is based on more than 85% corn starch. It is compostable, GMO-free, lead-free, water-soluble, residue-free combustible and can be recycled several times if separated by type. Mater-Bi is also suitable for dimensionally stable and foamed products. Mater-Bi mulch films and papers are a certified ecological product and compost 100% within 10 to 12 weeks. They are successfully used in organic vegetable gardening, nurseries and nurseries.

Source: https://de.wikipedia.org/wiki/Mater-Bi

PLA is a bioplastic that is made from sugar.

PLA is a transparent bioplastic that can be processed using conventional thermoplastic processes, such as deep-drawing trays or yoghurt pots. In addition, PLA is also available in rolls or ready-made bags. PLA is harmless to food and is therefore ideal for use in the food industry.

The plastic PLA is biodegradable according to EN 13432. As certain environmental conditions are necessary for the composting of PLA, it should be disposed of in industrial composting plants.

Cellulose film made from renewable raw materials is characterized by its high transparency. Made of wood fibres, which are also used for paper production, the bag can be composted or disposed of in untreated form in waste paper. Since cellophane allows water vapour to pass through, it prevents condensation from forming inside the bag. In order to achieve certain barrier properties, however, cellophane can also be coated. Cellular glass is particularly suitable for foodstuffs because it is odourless and tasteless.


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