Group III Base Oil
API Group III Base Oil
Very high viscosity index severely hydroprocessed base stock.
01 Overview
Group III base oils carry a viscosity index above 120 with very low volatility, and are the foundation of synthetic and semi-synthetic finished lubricants. They allow formulators to reach low-viscosity fuel-economy grades that Group I and II cannot support.
02 Grades traded
- 4 cSt
- 6 cSt
- 8 cSt
03 Typical specification
Saturates
> 90 %
Sulfur
< 0.03 % (300 ppm)
Viscosity index
≥ 120
Colour
Water white
Volatility (Noack)
Low — grade dependent
Values shown are indicative and vary by producer grade. The binding specification is the producer certificate of analysis issued against your consignment, supplied with every offer.
04 Applications
- Full and semi-synthetic engine oils
- Low viscosity fuel economy grades (0W/5W)
- Premium ATF and driveline fluids
- Long-drain industrial oils
- High performance greases
- Specialty and metalworking fluids
05 Industries served
06 Packaging options
- 180 / 210 kg steel drums
- Flexitank (20–22 MT)
- ISO tank
07 Supply & export note
Available primarily through our international supplier network. Lead times are longer than Group I and II material and are stated explicitly on every offer rather than estimated optimistically.
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