Containing at least 70% diorgano polysiloxane by weight, DOT 5 Brake Fluid offers stable velocity index over wide temperature range. Silicone-based product is hydrophobic and will not damage paint. Non-silicone version of DOT 5, polyethylene glycol-based DOT 5.1 Brake Fluid is hygroscopic and will absorb water from atmosphere, which is necessary to prevent sheer and undiluted water in braking system.
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