EW Polymer Group

Articles

PBR

Polybutadiene Rubber (BR9000)

SDS (PDF)

PropertiesIndexTest MethodAnalyst Results
Top GradeFirst Grade
 Volatiles %≤  0.5 0.8 Hot Rolling  0.190
 Ash %≤ 0.2 GB/T4498 A 0.04 

Raw Rubber Mooney
Viscocity/ML(1+4)100°C≤

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