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化學配方數(shù)據庫

配方類型：	MISCELLANEOUS
配方說明：	Silver Polish with Antitarnishing Agent (Paste)
配方組成：	Bentonite/5.0 Natrosol 250L (5% soln.)/20.0 Evangard 18MP or DTB/5.0 Water/50.4 Methyl Paraben/0.1 Abrasive/14.5 Brij 30/5.0
配制方法：	The Evangard is dissolved in the Brij 30. Slight warming may be necessary. The mixture is then added with good agitation to the water containing the Natrosol solution. The abrasive and bentonite are now added and mixed in a Waring blender (on laboratory scale).