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Calcined by mixing diatomite with na 2 co 3 flux and calcining above 900 c.The siliceous earth is acid-washed, then water-washed until neutral, but not base-washed.The siliceous earth may be silanized by treating with an agent such as dimethyldichlorosilane to mask surface silanol groups.Note unless otherwise specified in the individual.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.