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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.
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testing Item
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Value
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Test Method
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Volatile matter(%)
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0.75-0.90
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GB/T6737
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Ash content
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≤0.50
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GB/T4498A
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Organic acid(%)
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4.50~6.75
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GB/T8657A
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Soap content(%)
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≤0.5
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Combinated Styrene content(%)
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22.5~24.5
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GB/T8658
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Raw rubber mooney viscosity
ML(1+4)100ºC
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44~55
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GB/T1232.1
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Compounded rubber mooney viscosity
ML(1+4)100ºC≤
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93
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300% Stretching Stress
(145ºC)/MPa
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25min
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14.7~19.6
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GB/T8656A
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35min
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20.6±2.5
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50min
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21.5±2.5
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Tensile strength (145ºC, 35min)/MPa
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≥24.5
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Elongationg at break (145ºC, 35min)/%
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≥330
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Heat Distortion Temperature,@0.45MPa(66 psi)
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ºC
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ASTM D648
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77
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Haze
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%
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< 1.0
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Transmittance
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%
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ASDM D541
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91
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Refractive Index
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ASDM D542
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1.56
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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
   
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