TÜV AUSTRIA’s OK Compost Industrial stamp certifies a material is compostable in an industrial composting plant. This applies to all of the packages components, inks and additives. The OK Compost Industrial protocol follows the European standard EN 13432.
In order to comply with OK Compost Industrial certification materials need to meet the following requirements in an industrial compost environment: - Minimum of 90% biodegradation of plastic materials within 180 days in compost - Minimum of 90% of plastic materials should disintegrate into less than 2mm pieces in compost within 90 days - Hazardous substances such as heavy metals should not be present above the maximum allowed levels - Plastic materials should contain more than 50 percent organic materials.
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