Description
Castrol Alpha™ EP 100 is a high-quality Industrial Gear Oil (ISO VG 100) designed to meet the requirements of DIN 51517-3 for CLP type gear oils and U.S. Steel 224 performance. This product offers good wear protection, safety against scuffing, excellent aging resistance, and high thermal endurance.
- Pack size: 20 L canister
- Also available in: 208 L drum
Applications
- Most types of industrial gears (spur, helical, bevel, etc.)
- Mechanical-hydrodynamic transmissions
- Turbo clutches
- Hydraulic systems where an ISO HM fluid with EP properties is required
Specifications & Approvals
- DIN 51517-3 (CLP)
- U.S. Steel 224
- FZG Gear Scuffing test (A/8.3/90): Failure Load Stage ≥ 12
Benefits
- High thermal stability and oxidation resistance lead to a long product life and reduced sludge formation.
- Excellent wear protection and high safety against scuffing (FZG ≥ 12) for prolonged gear life.
- Behaves neutrally towards conventional seals and bearing metals, minimizing maintenance issues.
- Suitable for various industrial applications beyond gears, such as turbo clutches and hydraulics.
Technical specifications
| Manufacturer number | 14FB4F |
| Grade | ISO 100 |
| Density @ 15 C, kg/l, ISO 12185 | 0.880 |
| Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 | 100 |
| Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 | 11.0 |
| Viscosity Index, ISO 2909 | >95 |
| Pour Point, °C, ISO 3016 | -21 |
| Flash Point (COC), °C, ISO 2592 | 215 |
| Copper Corrosion (3 hrs @ 100 C), Rating, ASTM D130 | 1 |
| FZG Gear Scuffing Test (A/8.3/90), Failure Load Stage | ≥12 |




