配方类型：	CEMENT AND RELATED PRODUCTS
配方说明：	Roofing Granules (U.S. Patent 2,953,474)
配方组成：	"Satintone No.1*"/40 *Calcined kaolin clay. 0.1% "Triton X-102" in water/34 Wrentham Granules/600 "N" brand Sodium Silicate/30
配制方法：	In the preparation of the pigmented granules, 17.0 parts by weight of the "Triton" solution is shaken with the granules for a minute in a container whereafter the additional solution is added to the granules and shaking continued for another minute. The clay is then added to the treated granules and shaken for two minutes to accumulate a deposit on the granule surface. Sodium silicate is then added and the container shaken on a jar mill for 15 minutes. The coated granules are calcined for 10 minutes at a temperature within the range of from 860F to 930F. The resultant granules are coated with a continuous smooth white film.

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