Polyvinyl chloride resin SG-7
Features thermo plasticity, being insoluble into water, gasoline and alcohol, swelled or dissolved into ether, ketone, chlorinated aliphatic hydrocarbons, and aromatic hydrocarbon, high resistance to corrosion, and good dielectric property.
Specification
Type |
SG3 |
SG4 |
SG5 |
SG6 |
SG7 |
SG8 |
K value |
72-71 |
70-69 |
68-66 |
65-63 |
62-60 |
59-55 |
Viscosity, ml/g |
135-127 |
126-119 |
118-107 |
106-96 |
95-87 |
86-73 |
Average polymerization |
1350-1250 |
1250-1150 |
1100-1000 |
950-850 |
950-850 |
750-650 |
Number of impurity particle max |
30 |
30 |
30 |
30 |
40 |
40 |
Volatiles content % max |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
Appearing density g/ml min |
0.42 |
0.42 |
0.42 |
0.45 |
0.45 |
0.45 |
Residual after sieve 0.25mm mesh max |
2 |
2 |
2 |
2 |
2 |
2 |
0.063mm min |
90 |
90 |
90 |
90 |
90 |
90 |
Number of grain/10000px2 max |
40 |
40 |
40 |
40 |
40 |
40 |
Plasticizer absorbency value of 100g resin |
25 |
22 |
19 |
16 |
14 |
14 |
Whiteness % min |
74 |
74 |
74 |
74 |
70 |
70 |
Residual chlorethylenecontent mg/kg max |
5 |
5 |
5 |
5 |
5 |
5 |
Ethylidene chloride mg/kg max |
150 |
150 |
150 |
150 |
150 |
150 |
Applications
*SG-1is used in producing high-grade electrical insulating material
*SG-2is used in producing electrical insulating material, common soft products andfilm
*SG-3 is used in producing electrical insulatingmaterials, agricultural film, daily-use plastic products,such
as Films, raincoat, industry packing,artificial leather, hose and shoe-making material, etc.
*SG-4 is used in producing membranelle for industrial andcivil use, tube and pipes
*SG-5 is used in producing transparent products sectionbar, hard tube and decorative materials,such
as Rigid plate, gramophone record, valueand welding rod, PVC pipes, PVC windows, doors ,etc
*SG-6 is used in producing clear foil, hard board andwelding rod
*SG-7, SG-8 is used in producing clear foil, hardinjection molding.Good hardness and high strength,mainlyused for tubes and pipes