Heat-proof purple sand ceramic mud and method for preparing the product
A technology of purple sand ceramics and purple sand mud, which is applied to clay products, other household utensils, applications, etc., can solve the problems of non-cracking in dry burning, high firing temperature, and high energy consumption, and achieve excellent thermal shock resistance, Good thermal stability, good color and fragrance
Inactive Publication Date: 2008-03-05
朱绍波
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The present invention provides one kind of heat resisting violet sand earthenware material and its product making process. The heat resisting violet sand earthenware material consists of Si2O 60-73 wt%, Al2O3 15-38 wt%, CaO 2-6 wt%, MgO 6-12 wt%, Fe2O3 0-5 wt%, K2O 0-2 wt%, and Li2O 0-5 wt%; and its raw materials include violet sand 40-60 wt%, black clay 20-30 wt%, white clay 10-25 wt%, talcum 10-18 wt%, and Chinese medicinal stone 5-10 wt%. The heat resisting violet sand earthenware material may be used in making different kinds of heating utensils with thermal expansion coefficient of (1-2)x10<-6>/deg.c, high heat stability and high heat shock resistance. In addition, the utensil made of the violet sand earthenware material may be used in cooking food with good look, good smell, good taste and excellent health function.
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