Mastercool Vacuum Pump Oil – Premium Deep Vacuum Performance Keep your vacuum pump running at peak performance with Mastercool’s Premium Vacuum Pump Oil, specially refined for deep vacuum applications. Engineered to deliver maximum lubrication, thermal stability, and long-lasting pump protection, this high‑grade oil is an essential service item for every HVAC/R professional. Why Choose Mastercool Vacuum Pump Oil? ✔ Specifically Refined for Deep Vacuum Pumps Formulated to achieve deeper vacuum levels while reducing backstreaming and contamination in HVAC/R evacuation systems. ✔ High Thermal & Oxidation Stability Laboratory-tested to resist breaking down under high temperatures, ensuring consistent performance in demanding service environments. ✔ Optimal Viscosity for Maximum Protection Maintains ideal viscosity for proper lubrication of vanes and bearings, prolonging pump life and improving efficiency. ✔ Moisture-Resistant & Low Vapor Pressure Helps prevent moisture absorption that can damage pumps while minimizing vapor pressure for cleaner system evacuation. ✔ Clear, High‑Purity Mineral Oil A clear, colorless-to-pale-yellow refined mineral oil designed for dependable lubrication and extended pump longevity. Available Sizes (Varies by SKU) Mastercool vacuum pump oil is offered in multiple bottle and case size options: 10 oz, 16 oz, 18 oz, 24 oz, 32 oz, and 1‑gallon bottles (case quantities available). Popular HVAC/R service size: 6‑pack of 18 oz bottles for routine maintenance. Technical Specifications Appearance: Clear, colorless to pale yellow liquid Viscosity: 46 cSt @ 40°C ±10% Flash Point: 220°C (428°F) Boiling Point: >300°C (572°F) Density: 0.86–0.87 g/cm³ @ 20°C Pour Point: -18°C (0°F) Base Oil: Refined mineral oil formulated for low vapor pressure and deep vacuum stability Benefits for HVAC/R Technicians Achieves deeper vacuum levels for faster, cleaner system evacuation Reduces pump wear and extends service life Enhances pump efficiency in all climates Prevents contamination and maintains vacuum integrity during operation Ideal For HVAC/R system evacuation Refrigeration service Single- and dual‑stage vacuum pumps All Mastercool pump models requiring deep vacuum oil (90059, 90065, 90066, 90612, etc.)
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