CPE resin

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CPE resin is one kind of rubber high molecular material made of high-density polythene resin after chlorination reaction. From the molecular constitution, we can see that CPE can be seen as random copolymer of ethane, chloroethylene and 1, 2 acetylene dichloride; its molecular chain is saturated and the polar chlorine atoms are in random distribution, thus, it has the good mechanical and chemical properties and is widely used in machinery, electric, chemical, mine and building material industries. The heat resistance, resistance to ozone and weather and aging resistance of CPE are better than those of rubber; its oil resistance is better than that of NBR and CR; its aging resistance is better than that of CSM and it can resist the corrosion medium of acid, caustic and salt etc. It's innocuity, flame resisting and no explosion hazard. CPE product can be classified into two categories: general type and rubber type. The former is used for plastics modification, and the latter is used for making elastomer material. Our company mainly produces H135 type CPE. The key technical index: Best quality First quality Qualified quality Content of chlorine % 34~36 33~37 33~37 Crystallization residual% ≤5 ≤20 ---- Volatilization % ≤0.3 ≤0.4 ≤0.5 Residue onsieve % ≤0.5 ≤1.0 ≤2.0 Foreign particle/(25*60m2) ≤15 ≤100 ---- Thermal decomposition temperature 　℃ ≥165 ≥165 ≥165 Apparent densityg/ml ≥0.52 ---- ---- Shore hardness (A) ≤57 ≤65 ≤75 Tensile strength　 Mpa ≥6 ≥6 ≥6 Our company mainly used as the impact resistant modifier of PVC. At present, it takes 95% share of the impact resistant modifier market of domestic PVC. The additive shares of H135 type CPE as the impact resistant modifier of PVC profile shapes is 9~ 12; the shares as the impact resistant modifier of PVC water feeding pipe and other liquid transfer pipe under pressure is 4~ 6; this can effectively improve the low temperature resistant impact property of PVC product. In addition, H135 type CPE is widely added into the products including PVC plate, sheet, calcium-plastic box, case of household appliances and electrical appliance fittings to improve the mechanical property and electrical property. CPE can be compatible and use with most plastics and rubbers simultaneously. The polymer crossblend system with bad compatibility can take CPE as bulk filler. The rubbers used together with CPE include caoutchouc, butadiene styrene rubber, ethylene propylene diene copolymer, polyurethane rubber, acrylonitrile butadiene rubber, neoprene and chlorosulfonated polyethylene etc. The plastics used together with CPE include PVC, PE, PP, EVA and PA etc, which greatly improve the low temperature resistant impact property and increase flame resistance, oil and aging resistance, corrosion resistance and insulatibity. This can make the plastic product have high filling property and reduce production cost. ●Packing and specification： This product adopts polyethylene bags for internal use and polypropylene bags for external use with net weight of 25 ± 0.2kg per bag. ●Storage and transportation: For the viscoelasticity and absorbency of CPE resin are strong, this product shall be stored in the dry and ventilated warehouse with stack height no more than 10 bags and avoid solarization, damp and takes strict precautions again stress. It is not dangerous cargo.

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weifang gaoxin chemical technology co.,ltd

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