The physical pattern and mechanical property of residual binder film on the used sodium silicate sand under different temperature were studied by the numbers.
对不同受热温度下水玻璃旧砂粒上残留粘结剂膜的物理形貌及力学性能进行了较系统的试验研究。
The properties of the materials used for making models of sodium silicate bonded sand core curing by microwave energy are suggested.
结果表明，塑料模具和陶瓷模具都可用于水玻璃砂芯的微波固化。
It can also be used for crushing of sodium silicate and cement sand.
还可用于水玻璃和水泥自硬砂砂块的破碎。
It can also be used for crushing of sodium silicate and cement sand.
还可用于水玻璃和水泥自硬砂砂块的破碎。
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