配方类型：	COATINGS
配方说明：	Colored Asphalt Paint
配方组成：	Gilsonite selects/17.5 Mineral spirits (35 KB)/40.0 85 to 100 penetration steam-vacuum asphalt/17.5 Metallic oxide pigment, green, red, brown, yellow/25.0
配制方法：	The pigment is incorporated in ball mills or other dispersing equipment. Again the intensity depends upon the amount of pigment used. Percentages as low as 15% by weight do give an appreciable color but ordinarily approximately 25% is required.

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