The degradability of derivatives produced is at least 63%+4.8% in 77 days, which exceeds the results demand 60%in the standard ISO14855:1999, IDT. The non-degradable parts will be divided into small parts(Max size:1um), which may increase the air permeability of soil instead of damaging the capillarity of soil. (For details, please read Assessment Report of Beijing Kai-fa Environment Protection Technology Center). It will not emit the poisonous product-- dioxin in case it burns. 100% biodegradable starch resin , complied with EN13432, the resin can be compared with MATER-B. In addition, our products meet daily requirements with most advantages of non degradable products, such as water resistance, weight holding, good flexibility, different colors, etc.</p>