男人j进入女人j内部免费网站|久久久精品人妻一区二区三区四|日韩精品极品视频在线观看免费|日韩精品一区二区三区在线观看l

USES: used as Environmental non-toxic Aging Heat stabilizer of halogenated polymer such as rubber-plastic PVC, also used as cross-linking agent of resin, accelerator, regulator, antiseptic and so on. With PVC resin compatibility, good dispersion, with excellent processing, weatherability, coloring, light stability. Non-toxic, tasteless, environmentally friendly. PVC Stabilizer can be prepared by mixing with Calcium stearate or inorganic calcium zinc. Zinc calcium sulfoxide can react with dicarboxylic vinyl chloride which is decomposed by heat to form vinylsulfone cross-linking modifier to form more stable polymer. Can Be used for food packaging, medical equipment, wire and cable material pipe, sheet, blow molding parts, injection molding parts, foam products, such as up and down pipes, injection molding pipe, window frame profile, door panel panel panels, wire trough pipe, foam products, artificial leather, cable materials, soft and hard transparent products, food packaging materials, and other processing and use formula.

PACKING: 25kg woven bag or kraft paper bag, 25/40kg cardboard or paper drum, 500kg ton bag.