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Shandong Xinfa Brand PVC Resin SG5
Properties:
The softening point of polyvinyl chloride resin is low, about 75-80 °C, and the embrittlement temperature is lower than -50~-60 °C. The long-term use temperature of most products should not exceed 55 °C, and the special formula can reach 90 °C. If the polyvinyl chloride resin is purely head-to-face contact surface afraid of linear structure, there is no internal branch and unsaturated bonds, although the C-Cl bond energy is relatively small, the stability of the polyvinyl chloride resin should also be relatively high . However, even the high-purity polyvinyl chloride resin begins to emit hydrogen chloride gas when it is above 100 °C or exposed to ultraviolet radiation for a long time. It indicates that there are sharp groups or unstable structures in its molecular structure. The longer the time, the more the degradation, and the higher the temperature, the faster the degradation rate, especially in the presence of oxygen or air.
Specification:
|
Items |
Unit |
Index |
||||||||
|
SG1 |
SG2 |
SG3 |
SG4 |
SG5 |
SG6 |
SG7 |
SG8 |
|||
|
Viscosity No. |
ml/g |
156-144 |
143-136 |
135-127 |
126-119 |
118- 107 |
106-96 |
95- 87 |
86-73 |
|
|
Or K value |
|
77- 75 |
74- 73 |
72- 71 |
70- 69 |
68- 66 |
65- 63 |
62- 60 |
59-55 |
|
|
Or Average degree of polymerization |
|
1785-1536 |
1535-1371 |
1370-1251 |
1250-1136 |
1135- 981 |
980- 846 |
845-741 |
740- 650 |
|
|
Foreign Particle |
|
16 max |
16 max |
16 max |
16 max |
16 max |
16 max |
20 max |
20 max |
|
|
Volatile Matter |
% |
0.3 max |
0.3 max |
0.3 max |
0.3 max |
0.4 max |
0.4 max |
0.4 max |
0.4 max |
|
|
Apparent Density |
g/ml |
0.45min |
0.45min |
0.45min |
0.47min |
0.48 min |
0.50min |
0.52min |
0.52 min |
|
|
Particle size |
0.25mm Sieve |
% |
1.6max |
1.6max |
1.6max |
1.6max |
1.6 max |
1.6max |
1.6max |
1.6 max |
|
0.063mm Sieve |
97 min |
97 min |
97 min |
97 min |
97 min |
97 min |
97 min |
97 min |
||
|
No. of fish eye/400cm2 |
|
20 max |
20 max |
20 max |
20 max |
20 max |
20 max |
30 max |
30 max |
|
|
Plasticizer absorption of 100g resin |
g |
27 min |
27 min |
26 min |
23 min |
19 min |
15 min |
12 min |
12 min |
|
|
VCM Residue |
ppm |
5 max |
5 max |
5 max |
5 max |
5 max |
5 max |
5 max |
5 max |
|
|
Whiteness(160°C, 10min) |
% |
78 min |
78 min |
78 min |
78 min |
75 min |
75 min |
70 min |
70 min |
|
|
Electrical conductivity of water extract |
|
5 max |
5 max |
5 max |
--- |
---- |
----- |
---- |
---- |
|
Packing:
25kg/pp bag or kraft bag.
Except Xinfa Brand PVC Resin SG5,we can also supply Tianye PVC Resin SG3, Tianye PVC Resin SG5,Sinopec PVC Resin S700,Sinopec PVC Resin QS1050P,Erdos PVC Resin SG3,SG5,SG7,SG8,Zhongtai PVC Resin SG5,Beiyuan PVC Resin,Junzheng PVC Paste Resin, Titanium Dioxide Rutile,Carbon Black N330,Iron Oxide Pigments,Chrome Oxide Green,Sodium Tripolyphosphate 94%,Sodium Hexametaphosphate 68% etc.
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Main Product:
PVC Resin,
Paste PVC Resin,
Titanium Dioxide,
PVA Polyvinyl alcohol ,
Carbon Black,
Sodium Hexametaphosphate
