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Mastercool 90018-6 is a case of six 18 oz (531 ml) bottles of vacuum pump oil formulated for HVAC/R deep-vacuum pumps.
- Pack size: 6 × 18 oz / 531 ml
- Appearance: Clear, colourless to pale yellow / amber liquid
- Viscosity at 40°C: 46 cSt ±10%
- Density at 20°C: 0.86–0.87 g/cm³
- Flash point: 220°C / 428°F
- Pour point: -18°C / 0°F
- Initial boiling point: Above 300°C / 572°F
- Vapour pressure: <0.013 kPa at 20°C
Use the oil capacity specified for the relevant Mastercool vacuum pump and replace contaminated oil as required to maintain evacuation performance.