Name:polyvinyl
chlorid;
Properties: yellowish
semitransparent, glossy;
Classification:It
is divided into soft and hard polyvinyl chloride according to the
different dosage of auxiliary agent;
Density:1.380
g/cm3;
Shrinkage
rate:0.2~0.6%;
Melting
temperature:185~205℃;
Mould
temperature:20~50℃;
Injection
pressure:≤1500bar;
Pressure holding
pressure:≤1000bar;
Young's modulus of
elasticity(E)
:2900-3400
MPa;
Tensile
strength(σt):50-80
MPa;
Glass transition
temperature:87℃;
Melting
point:212℃;
Vicat B1:85℃;
Thermal
conductivity (λ): 0.16
W/m.K;
Coefficient of thermal
expansion (α): 8
10-5 /K;
Heat
capacity (c):0.9
kJ/(kg·K);
Water
absorption(ASTM):0.04-0.4;
Melt
index:6-9g/min;
Characteristic:non flammability,high
strength,resistance to climate change,excellent geometric
stability,chemical stability,flaming self
extinguishing,wear-resisting,noise elimination and earthquake
elimination,high intensity,good electrical insulation,Low price and
wide source of materials,good air tightness and so
on;
Application:
1. Electrical
insulating material,agricultural film,surface mask of artificial
leather,plastic sandals,industrial and civil
film,hose,leatherette,high strength pipe and so
on;
2. Transparent
products,hard
tube,plate,monofilament,catheter,profile,record,transparent
film,hard plate,electrode,fibre,bottle,hard injection molding
pipe,vinyl perchloroethylene resin,
etc.