PBR
Polybutadiene Rubber (BR9000)
| Properties | Index | Test Method | Analyst Results | ||
|---|---|---|---|---|---|
| Top Grade | First Grade | ||||
| Volatiles %≤ | 0.5 | 0.8 | Hot Rolling | 0.190 | |
| Ash %≤ | 0.2 | GB/T4498 A | 0.04 | ||
|
Raw Rubber Mooney |
45±4 | 45±5 | GB/T1232.1 | 45 | |
| Compound Rubber Mooney Viscocity/ML(1+4)100°C≤ |
65 | 67 | GB/T1232.1 | 56 | |
| 300%Modulus/Mpa |
25min | 7.0--12.0 | GB/T8660 C2 (ASTM IRB No7) |
10.6 | |
| 35min | 8.0--13.0 | 11.1 | |||
| 50min | 8.0--13.0 | 10.7 | |||
| Tensile Strength (35min)/Mpa≥ | 13.2 | 16.7 | |||
| Elongation at Break (35min)/ %≥ | 330 | 386 | |||
| Appearance | light translucent block, no coking particle, no mechanical impurities, no greasy dirt |
Visual Examination | light translucent block, no coking particle, no mechanical impurities, no greasy dirt |
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