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Posts Tagged: Brake Fluid DOT 3

Brake Fluid DOT 3

Brake Fluid DOT 3 Brake fluid DOT 3 and DOT 4 are made with glycol-ether and boil lowering additives and anti-corrosive additives. Glycol-ether is used because it has a high boiling point and is compatible with the rubber components used in an automotive braking system. DOT 3 fluid is approximately 80% glycol ether base. The boiling point of DOT 3 brake fluid is rated at 401°F with no water in it and as low as 284°F if it’s holding water. DOT 4 has a higher boiling point than DOT 3, … Read More


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