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Product Description
Coomcool HML 32 long life hydraulic oil is made of high quality hydrogenated base oil, synthetic hydrocarbon oil mixed base oil, with antioxidant, rust inhibitor, anti-wear agent and other additives.
Advantages
- Excellent oxidation resistance and thermal stability, slow down the decay rate of the oil, significantly extend the oil change cycle.
- Excellent anti-wear, anti-rust and anti-corrosion properties, slowing down the wear and tear of equipment and extending service life.
- Good anti-emulsification, can be quickly separated from the contact water.
- Excellent rubber compatibility, to ensure good sealing.
Applications
It is suitable for large hydraulic machinery and high pressure vane pumps, piston pumps and other hydraulic equipments that require high comprehensive performance of oil when operating under high temperature, high pressure, high load and other harsh conditions.
Typical Characteristics
| Property | Unit | HML 32 | Test Method |
| Appearance | – | Light yellow liquid | Visual |
| Viscosity@40℃ | mm²/s | 31.40 | ASTM D445 |
| Flash Point by Open Cup | ℃ | 241 | ASTM D92 |
| Pour Point | ℃ | -57 | ASTM D97 |
| Rust test – distilled water @24 hrs | Rating | Pass | ASTM D665A |
| Copper corrosion@3 hrs 100℃ | Rating | 1b | ASTM D130 |
| Demulsification@(40-37-3), 54℃ | min | 14 | ASTM D1401 |
| Air Release Characteristics |
min | 5.6 | ASTM D3427 |
