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Thursday, 27 June 2019
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Film printing inks are plant compatible

Friday, 30 September 2011

A waterbased film ink series especially for use on biodegradable films is now available. Its suitability for use on compostable films, has been confirmed.

Film printing inks are plant compatible Source: Fotolia/Coliin Nixon

Film printing inks are plant compatible Source: Fotolia/Coliin Nixon

The German Federal Compost Quality Assurance Association (Bundesg├╝tegemeinschaft Kompost, BGK) has established a plant growth method for testing the plant compatibility of a product (BGK Method Book, Chapter IV, A3). In accordance with this method, a compost sample is added to a standard soil sample and the germination and growth of spring barley is tested. If the amount of growth is equal to 90 % of that achieved in the standard soil sample without the addition of compost, the compost is deemed to be plant compatibility. The test performed for Follmann & Co. included a "worst case" scenario. For this purpose, a printing ink sample (without the film) was added directly to a standard soil sample and the soil germinated according to the aforementioned BGK method. The results were clearly positive. Even a much larger quantity of printing ink than that usually applied to each square meter of film had only a negligible effect on the amount of growth. This confirmed that the "Folco Aquaflex FF2" film printings inks are suitable for use on compostable films.

related links:

http://www.follmann.de

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