1.Properties of Pvc Resin
It is thermoplastic, insoluble in water, gasoline and ethanol, expandable or soluble in ether, ketene, fatty chlorohy-drocarbons or aromatic hydrocarbons with strong anti--corrosiveness, and good dielectric property.
2.Pvc Polyvinyl Chloride Resin Specifications
Polyvinyl Chloride Resin |
SG3 |
SG5 |
SG8 |
|
Inspection item |
Value |
|||
K value |
72 - 71 |
68 - 66 |
59 - 55 |
|
Viscosity number |
135 - 127 |
118 - 107 |
86 - 73 |
|
Number of impurity particles |
≤ 16 |
≤ 16 |
≤ 20 |
|
Volatile content (incl. water)% |
≤ 0.30 |
≤ 0.40 |
≤ 0.40 |
|
Apparent density |
≥ 0.45 |
≥ 0.45 |
≥ 0.48 |
|
Particle size |
≤2.0 |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
≥90 |
≥ 90 |
≥ 90 |
≥ 90 |
|
Number of Fish Eye (/400 cm2) |
≤ 20 |
≤ 20 |
≤ 30 |
|
Plasticizer absorption of 100g resin |
≥ 26 |
≥ 20 |
≥ 14 |
|
Whiteness (160, after 10 min.) % |
≥ 80 |
≥ 80 |
≥ 75 |
|
VCM Residue PPM |
≤ 3 |
≤ 3 |
≤ 3 |
3.Pvc Polyvinyl Chloride Resin Application
SG-1 is used in producing high-grade electrical insulating material
SG-2 is used in producing electrical insulating material, common soft products and film
SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products,
SG-4 is used in producing membranelle for industrial and civil use, tube and pipes
SG-5 is used in producing transparent products section bar, hard tube and decorative materials
SG-6 is used in producing clear foil, hard board and welding rod
SG-7, SG-8 is used in producing clear foil, hard injection molding.