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Help CenterSynthetic Polybutadiene Rubber BR Rubber Synthetic Rubber
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According to the different polymerization methods, polybutadiene rubber can be divided into soluble polybutadiene rubber, polybutadiene rubber and bulk polymerization buna 3 kinds.According to the molecular structure can be divided into cis polybutadiene and trans polybutadiene.It with cis and cis polybutadiene content is divided into cis-rich poly (1, 4 - butadiene, cis polybutadiene, low cis polybutadiene.
Specification:
|
ltem |
Index |
Test Method |
||
|
High Grade |
First Grade |
Qualified |
||
volatile/% |
0.5 |
0.8 |
≤1.1 |
GB/T 6737 Heated Roll Technics |
total ash/% |
≤0.2 |
≤0.2 |
≤0.2 |
GB/T 4498A Method A |
Raw rubber Mooney viscosity |
45±4 |
45±4 |
45±7 |
GB/T 1232-82 |
Mixing rubber Mooney viscosity |
63 |
65 |
68 |
GB/T 1232-82 |
performance
Product performance: low glass transition temperature, high elasticity, high flexible performance is good, wear-resisting performance is good, after the loss of small, small heating, and other rubber solubility good, catch focus on small, poor wet resistance, tensile strength, resistance to tear strength is low, anti-bending of excellent abrasion resistance, good sex.
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