A high quality hydraulic brake fluid designed for disc and drum brake applications. KOSTGard DOT 3 Brake Fluid is compatible with all DOT 3 brake fluids and conforms to federal motor vehicle safety standard NO. 116, SAE specification J1703 and ISO 4925.
Typical Properties:
Specifications:
Typical:
Pound Per Gallon
8.5 - 8.8
8.55
Dry erbp, deg. F
Min. 401 F
460
Wet erbp, deg. F
Min. 284 F
288-292
Viscosity @ -40 deg. F
Max. 1500 cSt
1400 - 1450
Specific Gravity
1.01 - 1.04
1.02
Corrosion
Pass FMVSS 116
Pass
Rubber swell
Pass FMVSS 116
Pass
Ph @ 50% Aqueous-Ethanol
7.0 - 11.5
10.5
Appearance
Clear
Clear
Color
Light Amber
Light Amber
Evaporation/weight loss
60% Max
40 – 55%
KOSTGard DOT 4 Brake Fluid
Product # 4302
A high quality hydraulic brake fluid designed for disc and drum brake applications. KOSTGard DOT 4 Brake Fluid is compatible with all DOT 4 brake fluids and conforms to federal motor vehicle safety standard NO. 116, SAE Specification J1704, and ISO 4925.
Typical Properties:
Pound per gallon
8.88
Erbp, deg. F
475
Wet erbp, deg. F
325
Viscosity @ -40 deg. F
1200
Evaporation, 3 days
Less than 50%
Evaporation, 7 days
Less than 75%
Rubber swell @ 158 deg. F
0.035”
Rubber swell @ 248 deg. F.
0.037”
Ph @ 50% Aqueous-Ethanol
9.0
KOSTGard DOT 5 Brake Fluid
Product # 4303
A silicone brake fluid that conforms to federal motor vehicle safety standard NO. 116 for DOT 5 motor vehicle brake fluid. Compatible with all DOT 5 brake fluids.
