供應(yīng)異戊二烯橡膠
   
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   異戊橡膠技術(shù)指標(biāo)
    指標(biāo)名稱IR60IR70IR80IR90
    外觀乳白色半透明塊狀固體，膠質(zhì)均勻，無(wú)油污，無(wú)污點(diǎn)
    凈重25土0.125kg
    門尼粘度ML1《4100EC55-6465-7475-8485-95
    每批內(nèi)門尼粘度偏差≤土4土4土4土4
    拉伸強(qiáng)度，Mpa23OC，29.529.529.529.5
    扯斷伸長(zhǎng)率，%700700700700
    揮發(fā)分，%≤0.70.70.70.7
    灰分，%≤0.50.50.50.5
    鐵含量，%≤0.0030.0030.0030.003
    銅含量,%≤0.00010.00010.00010.0001
    防老劑含量，%0.7-1.00.7-1.00.7-1.00.7-1.0
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