Characteristic and function：1、"CHANGJIU"brand zinc oxide’s coefficient of expansion is low.It has good effect for high fever vibration and the mechanical vibrations in the ceramic production process.
2、The specific surface area is big and with hiding power, having resolved the bottom material influence to the surface colour.
3、There is less element content of iron, when used as the raw materials of color glaze, it can make little colour difference. It has very good smoothness.