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Chlorinated Polyvinyl Chloride Resin (CPVC)

China

CPVC RESIN

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china weifang

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20 Acre

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6500 Acre per Day

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製品仕様

Classification : - CAS No. : - Other Names : - MF : - EINECS No. : - Purity (%) : - Type : - Usage : - Brand Name : -

タイトルまたは説明

CHLORINATED POLYVINYLCHLORIDE RESIN (CPVC) 
CPVC chlorinated method is aqueous suspension (slurry) chlorided. Under the certain conditions using the special-purpose PVC resin and the chloride ion Carried on the permutation reaction to obtain the corresponding model CPVC resin. its molecular structure is: - CHCl-CHCl-CH2-CHCl-
Because chlorinity increase, CPVC molecular not neat increases (crystallinity in the structure to drop, molecular chain's polar enhancement), thus causes its thermal deformation temperature rise. The CPVC product's application temperature may reach 93-100, compares the PVC enhancement 30-40, simultaneously improved the PVC anti-chemical properties and corrosion resistance ability, can resist the anti-strong acid, the strong alkali, the salt, the fatty acid salt, the oxidant,the halogen and other chemical etching. Moreover, the CPVC tensile strength, the anti-bending strength compares PVC also to have the improvement. Compared with other polymer materials, CPVC has excellent resistance to aging, corrosion resistance and high flame resistance and so on.
Comparison of resin indexes
Index
PVC
CPVC
Density(g/cm3)
1.38—1.45
1.45—1.58
Vicat softening temperature(℃)
72—82
100—125
Tensile strength(MPa)
39—58
54—70
Bend strength(MPa)
105
120
Linear coefficient of thermalexpansion(K-1)
6—7)×10-5
7.5-8)×10-5
Extension at break
120
50
 Because CPVC has so superior high temperature, corrosion resistance and flame retardant performance that it has been widely used in making each different industry pipeline,hot and cold pipeline and fire pipeline. The advantages of CPVC pipe can be reflected in the following areas:
1, strong, thermostableBecause CPVC compares PP-R, PE-X to be firm.Compared with PP, the PE-X tube,under the similar pressure, CPVC may use a smaller caliber to achieve the same water flow, thereby saving material costs and installation time. Compares with other thermoplastic, CPVC has the remarkable mechanical property under the different temperature, is suitable for the bearing the situation, the application temperature may reach as high as 93, the life may amount to 50 years.
2, easy installation The connection method are very similar with PVC. Most commonly used and simple connection method is resolver cementation.Other connection methods are threaded connection, flange connection and electrode connections.
3, non-corrosive oxygen permeability
CPVC have the anti-oxygen, therefore the oxygen seepage from the radiator will not bring metal corrosion.
4, reducing the infiltration of additives In order to prevent oxidation, some modified plastics needs to increase the massive antioxidant that may be infiltrated into the water supply system ,causing the ill-smelling smell. 5, without the impact of chlorine in waterA lot of polyolefin materials (including PP, PE) may be decomposed with water, while CPVC is not affected by the impact of residual chlorine in water that there is no cracks and leakage.6, good flame retardancyCPVC limiting oxygen index is 60, therefore it will not burn in the air. It has the characteristics : misfires the flame decoction,not to increase the fire set,restrict flame spread,low smoke generation.
7, CPVC has excellent chemical resistance to non-polar strong acid and alkali. Commonly used to substitute the metal to process the corrosive material, such as the poor quality of water, acidic material alkaline matter and other peroxide solutions.
8, the low thermal conductivityCPVC thermal conductivity is only 1.05. heat is not easy to disseminate from the pipeline, heat loss of pipeline is low.9, bacteria breeding is not easyCPVC is not influenced by the impact of residual chlorine in water. So it will not result in cracks and leaks.Inner wall of pipe is smooth, not easy to breed bacteria. The research indicated that the breeding of germs in CPVC pipe is far lower than other materials such as copper, steel and other plastic pipe.10, low thermal expansionCPVC thermal-expansion coefficient is lower than other plastics. The tube expansion is very small when tube-pass heat, unlike other types of channels (such as PP-RRP) due to the higher temperature caused by heat expansion coefficient that could cause snake bending,the existence safe hidden danger and eyesores.
11, the test of timenone of a thermoplastic material such as CPVC,avoid the maintenance after 40 year hot water system's test, and displays its excellent performance.
 Specification and technical indexes
No.
Item
Unit
Index
J
Z
1
30-mesh screening rate
%
≥99
≥99
2
volatile content
%
≤0.40
≤0.40
3
chlorine content
%
63~69
63~69
4
heat decomposition temperature
≥120
≥120
 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: 
     This product should be stored in dry and ventilated warehouse, stacking height should not be more than 10 bags to prevent sunlight and moisture. Transport must have shelter and be clean to prevent sun, rain and heat. This product is non-dangerous goods.

お問い合わせ

連絡先担当者:Ms. Tina

会社:WEIFANG QIANGYUAN CHEMCAL INDUSTRY CO., LTD

住所:FuShou, Weifang, Shandong, China,262737

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Ms. Tina < WEIFANG QIANGYUAN CHEMCAL INDUSTRY CO., LTD >
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