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如何制作硅溶胶水玻璃复合型壳?

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如何制作硅溶胶水玻璃复合型壳?
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一种硅溶胶、水玻璃复合型壳,属于金属精铸领域。型壳是由面层、加固层、混合硬化剂组成。面层的特征是由粘结剂、制壳耐火粉料、制壳撒砂强制通风干燥硬化而成
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