Hangzhou Zhongce Qingquan Industrial Co., Ltd.
high re-inforcing carbon black N220
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high re-forcing carbon black N234
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medium re-forcing carbon black N330
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medium reforcing carbon black N326
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medium reforcing carbon black n339
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medium re-forcing carbon black N375
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medium re-forcing carbon black N539
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medium-high re-forcing carbon black N550
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medium re-forcing carbon black N660
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high tear resistance carbon black N220
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super abrasion resistance carbon black N234
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Good processing modulus carbon black N330
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low modulus carbon black N326
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high modulus and hardness carbon black N339
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high modulus and hardness carbon black N375
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