GH OIL DOT4
GH OIL DOT 4 is a premium-quality brake fluid designed for hydraulic brake and clutch systems in all types of vehicles where DOT 4 specification fluids are required. It offers excellent thermal stability, high boiling points, and superior protection against corrosion and vapor lock, ensuring safe and consistent braking performance even under extreme operating conditions.
Appearance
Test Method:p. 11.2 STO, GOST 2706.1
GHOIL DOT 4: Clear, homogeneous liquid, color ranging from light yellow to light brown, free from sediment or suspended matter
Kinematic viscosity, mm²/s
-40°C, max: 1800
100°C, min: 1.5
Dry boiling point, °C, min
Test Method: p. 11.3 STO
GH OIL DOT 4: 230
Wet boiling point, °C, min
Test Method: p. 11.4 STO
GH OIL DOT 4: 155
Metal corrosion resistance at 100°C (weight loss):
Tinned iron
Test Method: GOST 13345
GH OIL DOT 4:0.1 mg/cm²
Steel
Test Method: GOST 20403
GH OIL DOT 4:0.2 mg/cm²
Aluminum
Test Method: GOST 20403
GH OIL DOT 4: 0.2 mg/cm²
Tinned iron
Test Method: GOST 13345
GH OIL DOT 4:0.1 mg/cm²
Cast iron
Test Method: GOST 1414
GH OIL DOT 4: 0.3 mg/cm²
Brass
Test Method: GOST 2062
GH OIL DOT 4: 0.1 mg/cm²
Copper
Test Method: GOST 859
GH OIL DOT 4: 0.2 mg/cm²
Water content, %, max
Test Method: GOST 14870
GH OIL DOT 4: 0.2
Insoluble matter content, %, max
Test Method: GOST 6370
GH OIL DOT 4: 0.1
Application:
DOT 4 is operational at ambient temperatures from minus 50 °C to plus 50°C.
Use in accordance with the vehicle manufacturers’ instructions.
