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怎样的石墨坩埚经久耐用

发布时间:2019-07-22 10:09:35 浏览:243次

石墨坩埚主要用来熔炼紫铜、黄铜、金、银、锌和铅等有色金属及其合金。石墨坩埚以自然鳞片石墨为主体原料,以可塑性耐火粘土或炭质为粘结剂加工而成,具有耐高温、导热性能强、抗腐蚀性能好,运用寿命长等特性。

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怎样的石墨坩埚经久耐用

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