配方类型：	MISCELLANEOUS
配方说明：	Fire Stoneware Glaze
配方组成：	Na2O3/0.30 This is glaze will mature at about 2170F. Zinc oxide is also reported to increase glaze elasticity, strength and chemical durability. When a large amount of zinc oxide is used in a glaze, it will not dissolve completely and will impart whiteness. Less zinc oxide is required for this effect if the alumina and alkaline earths are decreased. Zinc oxide affects colors in glazes to varying degrees; it aids blues and tends to impress the formation of greens with chrom
配制方法：	The crystals formed in zinc crystalline glazes are zinc silicates and they may be tinted if various coloring pigments are included in the formulation.

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