Lubricant Viscosity Temperature: gear_oil#SAE_75W90
Kinematic and dynamic viscosity of industrial lubricants as a function of temperature. Covers hydraulic oils (ISO 32/46/68/100/150), gear oils (ISO 150/220/320, SAE 75W-90/80W-90), engine oils (SAE 5W-30/10W-30/30/40), turbine oils (ISO 32/46), and compressor oils (ISO 32/46). Each record includes kinematic viscosity (cSt), dynamic viscosity (cP), density, viscosity index, pour point, flash point, and ASTM D341 Walther equation constants (A, B) for interpolation/extrapolation. 119 records across 18 lubricant grades, temperature range -20 to 120 deg C.
| lubricant id | temperature C | ASTM D341 A (dimensionless) | ASTM D341 B (dimensionless) | ISO grade or SAE | density kg per m3 (kg/m^3) | dynamic viscosity cP (cP) | flash point C (degC) | kinematic viscosity cSt (cSt) | lubricant type | pour point C (degC) | viscosity index (dimensionless) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| gear_oil#SAE_75W90 | -20 | 13.079 | 4.258 | SAE_75W90 | 877 | 10,800 | 175 | 12,000 | gear_oil | -45 | 145 |
| gear_oil#SAE_75W90 | 0 | 13.079 | 4.258 | SAE_75W90 | 869 | 969 | 175 | 1,100 | gear_oil | -45 | 145 |
| gear_oil#SAE_75W90 | 20 | 13.079 | 4.258 | SAE_75W90 | 861 | 176 | 175 | 200 | gear_oil | -45 | 145 |
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