hemihydrate gypsum

Preparation of the high-purity medical alpha hemihydrate gypsum and further controlling of the crystal granularity, the appearance by using hydrothermal production process in pressure.

目的制备高纯度的医用α半水石膏并能进一步控制好晶体的粒度、形貌。

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Multifunction& high-accuracy gypsum block is one of new types of wall materials made of hemihydrate gypsum and fly ash, and it has unique structure and outstanding performance.

以半水石膏、粉煤灰为主要原材料的高精度、多功能石膏砌块是一种构造独特、性能优良的新型墙体材料。

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Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite, and modified its properties by adding Portland cement and hemihydrate gypsum respectively.

选取硫酸钾作为激发剂对天然硬石膏进行活性激发，并分别掺入硅酸盐水泥与半水石膏进行改性。

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According to the different preparing methods, it can change to α hemihydrate gypsum or β hemihydrate gypsum.

根据制备工艺的不同，可获得α型半水石膏或β型半水石膏。

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A Research on the Properties and Microstructure of Hemihydrate Gypsum

半水石膏性能与微观结构的探讨

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Adding crystal modifier in gypsum, a hemihydrate gypsum was prepared by autoclave technology under the optimum condition.

在此基础上，在二水石膏原料中加入转晶剂，采用蒸压法在最佳工艺下制备α型半水石膏。

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A Discussion on the Concentration Assay for Hemihydrate Gypsum in Plaster of Paris Bandage-Viscose Form

粘胶型石膏绷带半水石膏含量测定方法的探讨

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The important factors of controlling the crystal granularity, morphology and strength of the alpha hemihydrate gypsum are the proportion of composition medium crystal agent and quantity, autoclave time.

结论复合转晶剂适当的比例和掺量、蒸压时间是控制α半水石膏晶体粒度、形貌及强度的关键因素。

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