silica sol binder
... silica sol shell mold 硅溶胶制壳 silica sol binder 硅溶胶粘结剂 Silica Sol Casting 硅溶胶铸造 ...
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采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
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