PVC K67-Xinfa, Zhongtai, Junzheng Tianye Sinopec Erdos Brand PVC/Hot Sale High Quality Pipe Grade PVC Sg3 Sg5 Sg8

Product Description Polyvinyl chlorides is high molecular compounds polymerized with structural element as CH2-CHCLn,degree of polymerization usually as 590-1500.In the process of re-polymerization ,affected by kinds of factors such as the polymerization process, reaction conditions, reactant composition, additives etc.it can produce eight different types of PVC resin performance is different.Product Parameters ItemsSG3SG5SG7SG8K value72-7168-6662-6059-55ViscosityNumber (ml/g)135-127118-10795-8786-73Average degree of polymerization1370-12511135-981845-741740-650Number of impurity substance≤16≤16≤20≤20Mass fraction of volatiles(including water)≤0.30 ≤0.40 ≤0.40≤0.40 Appearance density≥0.45≥0.48≥0.50≥0.50Number of "fish eye" ≤20≤20≤30≤30Whiteness(160ºC,10min)%≥78≥75≥75≥75VCM residue≤5≤5≤5≤5Packing25kgs two layers draft paper bag or 1000kgs PP bagPackage25kgs, 40kgs,50kgs/PP or customizedApplicationSG-1 is used in producing high-grade electrical insulating material SG-2 is used in producing electrical insulating material, common soft products and film SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products, SG-4 is used in producing membranelle for industrial and civil use, tube and pipes SG-5 is used in producing transparent products section bar, hard tube and decorative materials SG-6 is used in producing clear foil, hard board and welding rod SG-7, SG-8 is used in producing clear foil, hard injection molding.Detailed Photos  Why choose usWhy choose us  FAQ FAQ/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1