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PVC Machining

PVC Machining

Polyvinyl chloride (PVC) is an initiator of vinyl chloride monomer in peroxide, azo compounds, etc., or polymerized under the action of light and heat by radical polymerization mechanism. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins.

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Product Details

pvc machining

PVC is white powder amorphous structure, the degree of branching is small, the relative density of about 1.4, the glass transition temperature of 77~90 DEG, 170 DEG C to decomposition of [1], the stability of light and heat, at 100 DEG C or after long time exposure to sunlight, will decompose and produce hydrogen chloride, and further automatic catalytic decomposition that change, the physical and mechanical properties also decreased rapidly, in the practical application must be added in order to improve the stability of heat and light stabilizer of the.
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The molecular weight of PVC in industrial production in 50 thousand ~ 110 thousand range, with larger polydispersity of molecular weight increases with the decrease of the polymerization temperature; no fixed melting point, 80 to 85 DEG C for 130 to soften the viscoelastic state, 160 to 180 DEG C began to change into the viscous flow with good mechanical properties; the tensile strength of about 60MPa, the impact strength of 5 ~ 10kJ/m2; have excellent dielectric properties.

PVC was the world's largest producer of general-purpose plastics and was widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires, cables, packing films, bottles, foaming materials, sealing materials, fibers, etc..


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Development prospect


1 trends in PVC resin industry

PVC resin consumption in China mainly concentrated in two areas of Southern China and East China, Guangdong, Zhejiang, Fujian, Shandong and Jiangsu provinces, the total consumption accounted for about 70% of total consumption, among them, Guangdong and Fujian Province, the greatest market demand, but the lack of capacity, the import of poly vinyl chloride resin proportion; Jiangsu Shandong, Zhejiang province and the PVC processing industry is relatively developed, the consumption of domestic provinces accounted for about 34% of total consumption; North China sales of basic balance. With the strengthening of the development of the central and western regions and the construction of large-scale infrastructure, the consumption of PVC resin in the Midwest will gradually increase.
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2 demand forecast

PVC resin industry is a basic and energy intensive industry. It is greatly affected by demand and energy prices, and it is also a basic chemical raw material. Therefore, the PVC resin industry is closely related to economic development. The situation in 2012, because the domestic PVC resin production capacity continued to decrease, while the downstream demand growth is relatively slow, and exports, increased imports, so the domestic PVC enterprises overall operating rate is not high, a large number of idle capacity, the market price is always kept in low levels, reduce the price range, in addition, PVC futures the increase of PVC resin listed market price volatility uncertainty to a certain extent. China's PVC resin industry will still be in a difficult period of integration, there will be a variety of factors affecting the future development of PVC resin in china.


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Watson Lin

Xiamen Goldcattle Plastic & Metal Product  Co.,Ltd

Tel:+86-0592-2058153
M.B:+86-18850195507
Skype:Watson_Lin
Fax:+86-592-2132965
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Website:http://gc-manufacture.com/
Address:8th  Floor,Dongfang shangmao Building,NO.56 Yibinbei RD, Huli  Dist,Xiamen,Fujian,China 361006

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