Cleaning composition

Details Cleaning composition Cleaning composition

1979-10-19

1981-04-07

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

252 67, 252 69, 252162, 252172, 252DIG8, 252DIG9, 252364, 134 38, 134 40, C11D 750, C11D 732, C11D 730, C23G 502

Patent

active

042605105

ABSTRACT:
A composition suitable for cleaning printed circuit boards consists of 89.5% to 96.9% 1,1,2-trichloro-1,2,2-trifluoroethane, 2.5% to 8% ethanol, 0.1% to 3% methyl acetate and preferably 0.01% to 0.5% nitromethane.

REFERENCES:
patent: 3864408 (1975-02-01), Beckers
patent: 3903009 (1975-09-01), Bauer et al.
patent: 4062794 (1977-12-01), Figiel

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