BRITON – Briton lubricants LLC

Group III 4cSt

Group III 4cSt Base Oil is a premium hydrocracked base stock designed for advanced lubricant formulations, offering high viscosity index, low volatility, and excellent thermal stability for both automotive and industrial applications.

Briton Oil refined Group III 4cSt base oil for premium lubricants

Group III

Group III 4cSt

Group III 4cSt Base Oil is a high-quality hydrocracked base stock widely used in the production of modern lubricants. With a naturally high viscosity index, low volatility, and excellent oxidative stability, it delivers superior performance in demanding automotive and industrial applications. Its clean composition ensures compliance with stringent emission regulations, while its thermal stability and durability make it a preferred choice for formulating engine oils, gear oils, and hydraulic fluids that require long-lasting protection and efficiency.

Packaging Size

1L

4L

5L

20L

25L

208L

Descriptions

Group III 4cSt Base Oil is refined through advanced hydrocracking technology to deliver exceptional purity and consistency. Its excellent oxidation resistance, strong film strength, and high viscosity index make it an essential component in the formulation of high-performance automotive and industrial lubricants. Designed to withstand extreme operating conditions, it supports cleaner emissions, improved fuel efficiency, and long-term equipment protection.

Typical Properties

TESTMETHOD4cSt6cSt8cSt
Kinematic Viscosity @ 212°F /100°C, cStASTM D-4454.0-4.55.6-6.27.6-8.2
Kinematic Viscosity @ 104°F /40°C, cSASTM D-445reportreportreport
Viscosity IndexASTM D-2270min120min120min120
SP. Gravity @15°C/ 60°F, g/cm 3ASTM D-4052reportreportreport
Flash Point, °CASTM D-92min200min220min240
Pour Point, °CASTM D-97max(-)12max(-)12max(-)12
ColorASTM D-1500maxL0.5maxL0.5maxL0.5
Water, ppmASTM D-6304<60<60<60
Acid Number, mgKOH/gmASTM D-664<0.05<0.05<0.05
NOACK VOLATILITY, wt.%ASTM D5800<18<8<7
COLD CRANKING VISCOSITY, mPa.sASTM D5293<3500at(-)35℃<4000at(-)30℃<4500at(-)25℃

Send Enquiry