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.
Specification:
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)100℃
44~55
GB/T1232.1
Compounded rubber mooney viscosity
ML(1+4)100℃≤
93
300% Stretching Stress
(145℃)/MPa
25min
14.7~19.6
GB/T8656A
35min
20.6±2.5
50min
21.5±2.5
Tensile strength (145℃, 35min)/MPa
≥24.5
Elongationg at break (145℃, 35min)/%
≥330
Heat Distortion Temperature,@0.45MPa(66 psi)
℃
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.