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Why do frozen food bags use PE material

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At present, PP and PE are widely used in the thermal sealing layer of packaging bags, and PP materials will be brittle and broken below minus 10 degrees, so PE is generally used. PE can withstand the low temperature of about minus 60 degrees, so PE is selected.
Consultation record · answer on February 19, 2021 why PE is used for the thermal sealing layer of frozen food packaging bags. At present, PP and PE are widely used, and PP material will be brittle and broken below minus 10 degrees, so PE is generally used. PE can withstand the low temperature of about minus 60 degrees, so PE is selected.

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