DOP, DINP (Diisonyl Phthalate) belong to a series of products, are phthalates. DIDP is phthalic anhydride and ten carbon for esterification, so it has higher molecular weight, better heat resistance, better resistance to migration and better resistance to extraction than DOP and DINP. For PVC wire, the use of DIDP as a plasticizer alone can achieve UL 90 degrees Celsius standards; alone use DOP master plasticizer PVC wire rubber particles, can reach UL 60 degrees Celsius standard, and alone The use of DINP as PVC plastic particles of the main plasticizer, can reach UL 75 degrees Celsius standard. Of course, there are manufacturers using DIDP and TOTM (Trioctyl Trimellitate) to produce UL 100 degrees Celsius standard wire. Because DIDP exhibits good weathering performance, DIDP is also heavily used in automotive PVC interiors, such as automotive leather, automotive PVC panel panels, PVC plastic trims for doors, and so on.

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