Composition and method for acid cleaning of aluminum surfaces

Details Composition and method for acid cleaning of aluminum surfaces Composition and method for acid cleaning of aluminum surfaces

1982-04-30

1983-01-25

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 40, 134 41, 252142, B08B 308, C23G 112, C11D 708

Patent

active

043701736

ABSTRACT:
Lubricating oils and aluminum fines are removed from aluminum surfaces by contacting the surfaces with an aqueous solution containing sulfuric acid, hydrofluoric acid, and an alkali metal 2-butoxyethoxyacetate anionic surfactant. The solution may also contain one or more low foaming nonionic surfactants.

REFERENCES:
patent: 3969135 (1976-07-01), King et al.
patent: 4009115 (1977-02-01), Binns
patent: 4116853 (1978-09-01), Binns
patent: 4124407 (1978-11-01), Binns
McCutcheon, Detergents and Emulsifiers, "Mirawet B," 1980, p. 193.
Miranol Chemical Co., Inc., "Mirawet B," 1967, pp. 1-4.

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