|
 |
| |
Styrene Butadiene Rubber / SBR1502
SBR 1502 is one of the most widely used synthetic rubber.
Low temperature emulsion polymerized technique. Its wear resistance,aging resistance,ozone resistance,water-proofing,air tightness and homogenous are much better.
|
testing Item
|
Value
|
Test Method
|
|
Volatile matter(%)
|
0.75-0.90
|
GB/T6737
|
|
Ash content
|
≤0.50
|
GB/T4498A
|
|
Organic acid(%)
|
4.50~6.75
|
GB/T8657A
|
|
Soap content(%)
|
≤0.5
|
|
Combinated Styrene content(%)
|
22.5~24.5
|
GB/T8658
|
|
Raw rubber mooney viscosity
ML(1+4)100ºC
|
44~55
|
GB/T1232.1
|
|
Compounded rubber mooney viscosity
ML(1+4)100ºC≤
|
93
|
|
300% Stretching Stress
(145ºC)/MPa
|
25min
|
14.7~19.6
|
GB/T8656A
|
|
35min
|
20.6±2.5
|
|
50min
|
21.5±2.5
|
|
Tensile strength (145ºC, 35min)/MPa
|
≥24.5
|
|
Elongationg at break (145ºC, 35min)/%
|
≥330
|
|
Heat Distortion Temperature,@0.45MPa(66 psi)
|
ºC
|
ASTM D648
|
77
|
|
Haze
|
%
|
|
< 1.0
|
|
Transmittance
|
%
|
ASDM D541
|
91
|
|
Refractive Index
|
|
ASDM D542
|
1.56
|
End Use:
End uses include white sidewall tires, footwear, light and dark coloured mechanical goods and miscellaneous items where excellent physical properties and minimum discoloration and staining are required.
Packing:35 kg / bag
   
|
| |
|
