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Mar 16, 2017

Is polyolefin plastic shopping bags as the main raw material, add the appropriate packaging material made of other substances. Polyolefin used mainly for polyethylene (PE), commonly known as soft rubber, the main products include low density polyethylene, or LDPE (LDPE), high density polyethylene and low-pressure polyethylene (HDPE) and linear low density polyethylene (LLDPE) and metallocene Polyethylene (mLLDPE) four categories. In order to reduce its cost, most enterprises added about 30% made of calcium carbonate-filled plastic shopping bags, plastic shopping bags because of the dump does not release toxic gases when burned. Just issued national standards for plastic shopping bags, plastic shopping bags, divided into the following three categories:

Common plastic shopping bags--with polyolefin and packing as a material, this class without degradation of plastic shopping bags, abandoned in the wild will not degraded. This class has excellent recyclability of plastic shopping bags can be recycled many times. Slightly different degrees of decrease in recycling performance, but can be used to produce performance requirements is not high, not strict color shopping bags or trash bag. The key question is whether back problems.

Starch-based plastic shopping bag-shopping bag-this class with modified starch as raw material, add the appropriate amount of biodegradable materials to improve their performance. Abandoned after the plastic shopping bags used in the field of natural degradation.





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