Cleaning composition

Details Cleaning composition Cleaning composition

1980-02-20

1981-05-19

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

252162, 252172, 252 67, 252 68, 252 70, 252DIG9, 252305, 252364, 252579, 134 4, 134 38, 134 40, C11D 750, C11D 730, C11D 732, C23G 502

Patent

active

042684072

ABSTRACT:
A composition for cleaning printed circuit boards contains 92 to 95 weight percent 1,1,2-trichloro-1,2,2-trifluoroethane, 5 to 7 weight percent methanol and 0.05 to 1 weight percent methyl acetate.

REFERENCES:
patent: 3903009 (1975-09-01), Bauer et al.
patent: 3960746 (1976-01-01), Gorski
patent: 4045365 (1977-08-01), Figiel
patent: 4062794 (1977-12-01), Figiel

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