Maximize durability and efficiency with our Polybutadiene Rubber, a high resilience synthetic rubber renowned for its exceptional abrasion resistance and superior low-temperature flexibility.
Overview Our Polybutadiene Rubber (BR) is a premium synthetic rubber engineered for applications where extreme resilience, outstanding wear resistance, and reliable performance under stress are non-negotiable. It is a critical polymer for enhancing the durability and efficiency of high-performance products.
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Key Features & Advantages
The defining characteristic of Polybutadiene Rubber is its exceptional high resilience, which minimizes energy loss and reduces heat buildup during dynamic flexing. This property is crucial for improving fuel efficiency in tires. It offers superior abrasion resistance, significantly outperforming many other elastomers in high-wear applications like tire treads and industrial linings.
This rubber maintains excellent low-temperature flexibility, remaining operational and impact-resistant in sub-zero conditions where other materials may become brittle. Its high elasticity and resistance to tearing make it an ideal choice for demanding mechanical goods. While often blended with other rubbers like SBR, its core advantages make it indispensable for creating longer-lasting, more efficient, and highly durable end products.
BR9000
Item
Index
Class I
Class Ⅱ
Class Ⅲ
Volatile matter (mass fraction)/%≤
0.5
0.8
1.1
Ash (mass fraction)/%≤
0.2
Mooney viscosity of raw rubber [ML(1+4)100℃]
45±4
45±5
45±7
Mooney viscosity of rubber compound [ML(1+4)100 ℃]
65
67
70
300% constant tensile stress/MPa
145℃,25 min
7.0~12.0
145 ℃,35 min
8.0~13.0
145 ℃,50 min
8.0~13.0
Tensile strength (145 ℃,35 min)/MPa≥
13.2
Elongation at break (145 ℃,35 min)/%≥
330
Vulcanization characteristics (160℃,25 min)
Reported value
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