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化學(xué)配方數(shù)據(jù)庫(kù)
配方類(lèi)型: METALS AND THEIR TREATMENT
配方說(shuō)明: Cleaning Solder Surfaces
配方組成: A dip, commonly employed to clean up solder surfaces and to remove
the sulfate film left by etching consists of the following
Thiourea/13 oz/gal
48% fluoboric acid/13 fl oz/gal
配制方法: This requires about 1-3 minutes at 110-130F, and a nonionic wetting agent can be added for smoother action.

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