Carbon black-kuntai

chankun

1. The ratio of nitrogen-adsorption on the carbon black surface is recommendatory test index.
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' a, ^3 x9 B4 ?2. 300% Stretching Stress is to get the carbon black disparity between the everyday carbon black (SRB3#) sample and the standard in the same experimental situation, with I type and dumbbell type reamer set by GB/T528. The vulcanization of the carbon black lasts 30 minutes under the average temperature of (145±1) .
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3. All the technical indicators are taken as that of qualified products.
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9 t0 @9 i+ `; ~( F控泰橡膠（上海）有限公司

Chan Kun
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