配方类型：	METALS
配方说明：	Liquid Metal Cleaner
配方组成：	Sodium metasilicate pentahydrate/20 H2O/66 NTA Na3 pentahydrate/1 or 2 "Petro" BA or "Petro" 11 Liquid/10 Nonionic (nonyl phenol or linear alcohol ethoxylate)/1 or 2
配制方法：	At a concentration of 10% or above, the "Petro" 11 prevents the etching and darkening of aluminum. Recommended use: 1 to 2 oz per gal of water. Recommended for general hard-surface cleaner of floors, walls and metal surfaces. Not recommended for automobile exteriors or where streaking of the surface is objectionable.

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