PVC resin(other name: polyvinyl chloride resin)
Molecular Formula: [-CH2-CHCl-]n CAS No.:9002-86-2
Appearance: White powder
Standard :GB/T 5761-2006
Type: |
SG1 |
SG2 |
SG3 |
SG4 |
SG5 |
SG6 |
SG7 |
SG8 |
K value |
77-75 |
74-73 |
72-71 |
70-69 |
68-66 |
65-63 |
62-60 |
59-55 |
Viscosity, ml/g |
156-144 |
143-136 |
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 |
30 |
30 |
40 |
40 |
Volatiles content % max |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
Appearing density g/ml min |
0.42 |
0.42 |
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 |
2 |
2 |
0.063mm min |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
Number of grain/400cm2 max |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
Plasticizer absorbency value of 100g resin |
25 |
25 |
25 |
22 |
19 |
16 |
14 |
14 |
Whiteness % min |
74 |
74 |
74 |
74 |
74 |
74 |
70 |
70 |
Residual chlorethylenecontent mg/kg max |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
Ethylidene-chloride mg/kg max |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
Whiteness % min |
74 |
74 |
74 |
74 |
74 |
74 |
70 |
70 |
Residual chlorethylenecontent mg/kg max |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
Ethylidene-chloride mg/kg max |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
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,such as Films, raincoat, industry packing, artificial leather, hose and shoe-making material, etc.
*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,such as Rigid plate, gramophone record, value and welding rod, PVC pipes, PVC windows, doors ,etc
*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.Good hardness and high strength,mainly used for tubes and pipes