- Contact Person : Ms. Xu Doris
- Company Name : Hangzhou Zhechen Rubber Co., Ltd.
- Tel : 86-571-82613666
- Fax : 86-571-82613888
- Address : Zhejiang,Hangzhou,No.1388, Jingliu Road, Linjiang Industrial Zone, Xiaoshan, Hangzhou
- Country/Region : China
- Zip : 311228
Synthetic Rubber SBR 1502
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Our company invested nearly ten million to establish material analysis laboratory for over 900 square meters, responsible for check and analysis of kinds of raw materials, reaction process and finished product. The laboratory was equipped kinds of large-scale classic analysis facilities.
Technical specifications(SBR 1502)
Testing Item | Index | Test Method | |||
Superior Grade | First Grade | Qualified | |||
Volatile matter(%)≤ | 0.60 | 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°C | 45~55 | 44~56 | GB/T1232.1 | ||
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 | GB/T8656A | |
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 | |||
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