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1. PVC Resin
The thermoplastic high-molecular polymer made by the suspension polymerization of vinyl chloride monomer. The molecular formula :- (CH2 - CHCl) n - (N: degree of polymerization, N= 590 ~ 1500). It is the most widely raw material used in plastic production. It has good chemical stability, corrosion resistance and water resistance.
SG3, SG5, SG7, SG8
Polyvinyl chloride resin has a wide range of applications, such as automobile interiors, family decorative materials, advertising light box, shoe soles, PVC pipes and fittings, PVC profiles and hose, PVC sheet and plate, rolling film, inflatable toys, outdoor products, PVC wire and cable, PVC artificial leather, wood and plastic floor, corrugated board, etc.
GB/T 5761-2006 Standard
Degree of polymerization
|Number of impurity particle≤||30||30||40||40|
|Volatiles content %,≤||0.40||0.40||0.40||0.40|
|Appearing density g/ml ≥||0.42||0.45||0.45||0.45|
|Number of grain/400cm2≤||40||40||50||50|
|Plasticizer absorbency value of 100g resin g≥||25||17||-||-|
|Water extractant solution conductivity, [us/(cm.g)]≤||5||-||-||-|
|Residual chloride ethylene content mg/kg≤||10||10||10||10|
25kg craft bag liner with PE