Synthetic Rubbers

We are offering Synthetic Rubbers. We also supply
Technical specifications(SBR 1502)
Testing Item Index Test Method
Volatile matter(%)≤ 0.6-0.9 GBT6737
Ash content ≤0.50 GBT4498A
Organic acid(%) 4.50~6.75 GBT8657A
Soap content(%) ≤0.5
Combinated Styrene content(%) 22.5~24.5 GBT8658
Raw rubber mooney viscosity
ML(1+4)100°C 45~55 44~56 GBT1232.1
Compounded rubber mooney viscosity
ML(1+4)100°C≤ 93
300% Stretching Stress
(145°C)MPa 25min 15.2~19.1 14.7~19.6 GBT8656A
35min 20.6±2.0 20.6±2.5
50min 21.5±2.0 21.5±2.5
Tensile strength
(145°C, 35min)MPa ≥25.5 ≥25.5 ≥24.5
Elongationg at break
(145°C, 35min)% ≥340 ≥330