Polybutadiene Rubber
Polybutadiene rubber (BR, PBR rubber) is one of the most frequently-used synthetic rubber in rubber industries, which is sometimes used as a substitute for natural rubber (NR). It is produced either by anionic polymerization or by coordination polymerization of 1,3-butadiene typically in a non-polar solvent. It has high abrasion resistance, high resilience, good low temperature properties characteristics. There are two types of polybutadiene rubber available at Yusheng, they are BR9000(Nickel Catalyst) and BR9104(Neodymium catalyst).
Specification of Polybutadiene Rubber
BR9000(Nickel Catalyst) Specification:
|
Polymer Properties |
Min.
|
Max.
|
Method
|
|
|
Mooney Viscosity ML1+4100℃ |
41 |
49
|
GB/T 1232.1
|
|
|
Volatile Matter % |
---
|
0.50
|
ISO 248
|
|
|
Ash % |
---
|
0.20
|
GB/T 4498
|
|
|
Compound Properties/T 8660-2008; Cure at 145℃
|
||||
|
Compound, ML1+4100℃ |
---
|
65
|
GB/T 1232.1
|
|
|
Tensile Strength MPa，35min |
13.2
|
---
|
GB/T 8660-2008
|
|
|
Elongation % 35min |
330
|
---
|
GB/T 8660-2008
|
|
|
Modulus MPa
|
25min |
7.0 |
12.0 |
GB/T 8660-2008 |
|
35min |
8.0 |
13.0 |
GB/T 8660-2008 |
|
|
50min |
8.0 |
13.0 |
GB/T 8660-2008 |
|
BR9104(Neodymium catalyst) Specification:
|
Polymer Properties |
Min.
|
Max.
|
Method
|
|
Mooney Viscosity ML（1+4）100℃ |
38 |
48
|
GB/T 1232.1
|
|
Volatile Matter % |
---
|
0.50
|
GB/T24131.1
|
|
Ash % |
---
|
0.30 |
GB/T4498.1
|
|
Compound Mooney Viscosity ML(1+4)100℃
|
---
|
80
|
GB/T 1232.1
|
|
Modulus, MPa
|
8.5
|
13.5 |
GB/T 8660 C2
|
|
Tensile Strength, MPa
|
15.0 |
---
|
GB/T 8660 C2
|
|
Elongation，%
|
360 |
--
|
GB/T 8660 C2
|
|
Recipe: GB/T 8660; Curve condition: 145℃*35min
|
|||
Packing of Polybutadiene Rubber
PE film and kraft paper bag packing for piece of rubber or MB5, net weight: 25.0±0.25kg/bag
PE film and Kraft paper bag packing for piece of rubber or MB5(GPS5), net weight: 25.0±0.25kg/bag.
For polybutadiene rubber price or more information, please feel free to contact us!
If you need any kinds of butyl rubber, please contact us, as a professional rubber raw materials company, YuSheng is willing to offer you high quality products.
Contact : ZHANG JONSEN , +86 18366366563
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