Water soluble metalworking fluids

Compositions – Electrolytes for electrical devices

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Details

252 336, 252 42, 252 493, C10M10300

Patent

active

046393234

ABSTRACT:
A water soluble metalworking fluid is the subject of this invention. The fluid is utilized at a concentration of about 3 weight percent in aqueous solution. The active ingredients are comprised of disodium phosphate heptahydrate, sodium molybdate, sodium vanadate, 1,2,3-benzotriazole, a fluorinated hydrocarbon surfactant, a biocide, and a foam suppressant, all in aqueous solution. The resulting fluid is water soluble, transparent, film free, non-putrefying, non-toxic, a non-irritant, non-corrosive, non-polluting, and has very low BOD and COD values.

REFERENCES:
patent: 2917459 (1959-12-01), Reamer
patent: 3983098 (1976-09-01), Bussi et al.
patent: 4177155 (1979-12-01), Popplewell et al.
patent: 4250046 (1981-02-01), Przybylinski
patent: 4312768 (1982-06-01), Nassry
patent: 4430234 (1984-02-01), Hasegawa et al.

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