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精铸莫来石粉加硅溶胶后。为什么会产生沉淀
精铸莫来石粉加硅溶胶后。为什么会产生沉淀
2025年04月08日 01:57
有1个网友回答
网友（1）：
砂型铸造，消失模铸造，覆膜砂铸造，精密铸造。砂用石英砂，莫来石砂，焦宝砂，刚玉砂，熔融石英，匣体砂，高铝矾土砂，锆英砂等。。。。硅溶胶和大多数砂都可以使用，这就看你的工艺要求了，该选用何种砂子
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