Alkali metal aluminum silicate containing metal working fluid co

Compositions – Electrolytes for electrical devices

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252 493, 252 495, C10M12526, C10M17300

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048287300

ABSTRACT:
Use is made of crystalline alkali metal aluminum silicates of the zeolite type, having the formula (A.sub.2 O).sub.x.sup..multidot. Al.sub.2 O.sub.3.sup..multidot. (SiO.sub.2).sub.y wherein A=alkali metal, x has a value of 0.7-1.5 and y has a value of 0.8-4 and having a particle size between 0.1 and 100 .mu.m in an aqueous metal working fluid composition.

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