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Cold Work Die Heat Treatment

Cold Work Die Heat Treatment

Cold work die heat treatmentThe heat treatment of the cold working die generally includes two types of preliminary heat treatment and final heat treatment. In ad…

Company news 439 2019-09-20

Cellophane properties

Cellophane properties

Cellophane propertiesAn aqueous solution softener such as 2% to 18% of glycerin or ethylene glycol is added to the cellophane to prevent brittleness during dryin…

Company news 469 2019-09-16

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