配方类型：	MISCELLANEOUS
配方说明：	Waterproofing Leather
配方组成：	"Polypale" Resin/30 Mineral Spirits/50 "Oronite" Polybutene No.128/20
配制方法：	This mixture will penetrate into the interior of leather almost as well as the solvent when used by itself. The resulting leather exhibits longer wear, greater resistance to moisture, non-skidding, shrinkage-resistance and greater flexibility. formulations can be developed to give lighter-colored leather when desired.

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