Wu Jinzhang. The Research on the Properties of Gypseous Mixture for Investment Moulding[J]. Special Casting & Nonferrous Alloys, 1989,(3):11-14.DOI：
熔模精铸用石膏及其混合料性能探讨
摘要
介绍石膏型精铸中采用不同的石膏、耐火材料和水的加入量
对石膏混合料性能的影响。同时也介绍了缓凝剂的不同加入量对石膏浆料性能的影响
根据生产的需要选择合理的加入量。
Abstract
This paper introduce affection of the properties of gypseous mixture when certain quantity gypseous
refractory and water mixed. At the same time
also introduce affection of property of gypseous slurry sihce joined different quantity retarding agent. It is important to choose reasonable quantity in production
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