配方类型：	COATINGS
配方说明：	Tung-Linseed Oil Varnish
配方组成：	Tung Oil/352 Bodied Linseed Oil (O Viscosity)/48 Ester Gum/200
配制方法：	Heat the ester gum and tung oil under inert gas to 580F (304C). Check with linseed oil and reheat to 520F (271C). Hold at 520F (271C) for a long string from a cold pill. Cool rapidly to 390F (199C) and thin to 50% solids with mineral spirits.

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