PROPERTIES OF MIXTURES OF BRAKE-FLUID COMPONENTS To demonstrate the effect of varying the solvent and glycol in hydraulic-fluid formulations, mixtures containing 20% by weight of lubricant (Polyglycol 15-200) have been prepared containing 65% by weight of "Dowanol" 50B, "Dowanol" 93B-2, or "Dowanol" 93B-20 and 15% by weight of ethylene glycol, diethylene glycol, propylene glycol or dipropylene glycol.
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