PP should be selected for plastic products of the

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Plastic products for food should choose PP ingredients

in life, moisture absorption is small; PP, PE, PVC, which are the most frequently contacted components of plastic products, -- deputy factory director, among which PP, PE, PVC are abbreviations of English names. The Chinese names are polypropylene, polyethylene and polyvinyl chloride

some common old-fashioned slippers are made of PVC. They are soft in summer and hard in winter, which has a lot to do with the temperature sensitivity of PVC. PVC will decompose the toxic gas chlorine at high temperature. Among the three, PVC has the highest density

ordinary plastic bags are made of PE, which has good toughness. PE is also divided into HDPE (high density polyethylene) and LDPE (low density polyethylene), with a density of 5 Test speed: 42 ± 2rpm The different degrees lead to great differences in some of its performances

the main report of this forum is as follows: PP is a relatively safe plastic among plastics, which is used to make general food packaging bags. Of course, PP also has grades, and the packaging of food must be food grade. PP has the lowest density among the three and can float on the water

like these polymer materials, they can generally be modified by adding some other materials, so that their overall performance or performance in a certain aspect is superior, so that they can be used for special purposes. Of course, the price sometimes increases significantly after modification

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