The effects of additive in the silicasol back coating slurry on the weight of investment castings are investigated.
试验考察了硅溶胶精铸型壳的背层浆中加入高温焙烧易挥发性添加物对精铸件重量及其分布的影响。
The paper introduces the formula, process and tensile strength of the organic-inorganic composite adhesive which is prepared by mixing acetalization of polyvinyl alcohol with silicasol.
叙述了以聚乙烯醇为原料，经缩醛化后和硅溶胶制备有机—无机复合粘合剂。介绍了配方、制备程序和拉伸粘结强度的试验结果。
The paper introduces the formula, process and tensile strength of the organic-inorganic composite adhesive which is prepared by mixing acetalization of polyvinyl alcohol with silicasol.
叙述了以聚乙烯醇为原料，经缩醛化后和硅溶胶制备有机—无机复合粘合剂。介绍了配方、制备程序和拉伸粘结强度的试验结果。
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