Mobil Rarus™ 427 | ISO VG 100 Mineral Air Compressor Oil South Africa
Mobil Rarus™ 427 | ISO VG 100 Mineral Air Compressor Oil South Africa
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Mobil distributor · orbit Industrial · — South Africa
Mobil Rarus™ 427 is a high performance ISO VG 100 mineral-based rotary screw and reciprocating air compressor oil — the ISO VG 100 grade in the Mobil Rarus 400 Series. Designed for rotary screw, vane and reciprocating air compressors where a mineral-based compressor oil is specified. Formulated with highly refined base stocks and a carefully balanced additive system providing excellent oxidation resistance, outstanding anti-wear performance, good rust and corrosion protection and excellent air/water separation. The Rarus 400 Series covers applications where the operating conditions do not require the additional cost of a fully synthetic compressor oil. Available from Orbit Industrial
At a Glance
ISO 100
Viscosity Grade
11.0 cSt
KV @ 100°C
Mineral
Base Stock
Rotary Screw
Compressor
Reciprocating
Compressor
AW
Anti-Wear
Technical Documentation
Mobil Rarus™ 400 Series — Technical Data Sheet
Click to download · ExxonMobil
Features & Benefits
Excellent Oxidation Resistance
Good oxidation stability resists oil degradation and deposit formation at compressor operating temperatures — extending oil drain intervals and reducing compressor maintenance in continuous-duty applications.
Outstanding Anti-Wear Protection
Carefully balanced anti-wear additive system protects compressor rotors, bearings, vanes and cylinders from wear — extending compressor component life and reducing unplanned maintenance.
Good Air/Water Separation
Excellent air release and water separation properties — preventing the air entrainment and water emulsification that reduce oil film strength and cause accelerated compressor wear.
Good Rust & Corrosion Protection
Protects compressor internal surfaces from rust and corrosion in humid industrial environments — particularly important for reciprocating compressors where water condensation in the cylinder is a continuous challenge.
Good Thermal Stability
Maintains oil integrity at compressor operating temperatures — preventing deposit formation on compressor rotors, valves and after-coolers that reduces compressor efficiency and increases maintenance.
Mineral Oil Cost Efficiency
Mineral-based formulation provides reliable performance at a lower cost than synthetic compressor oils — the right choice where operating conditions do not justify the premium of a synthetic product.
Applications
Rotary Screw Compressors
Rotary screw air compressors in industrial, mining and manufacturing applications where ISO VG 100 mineral compressor oil is specified — the most common compressor type in South African industry.
Reciprocating Compressors
Single and multi-stage reciprocating air compressors where ISO VG 100 cylinder and crankcase oil is specified — mining drills, pneumatic tool supply and industrial air receivers.
Rotary Vane Compressors
Rotary vane compressors in industrial applications where mineral-based ISO VG 100 compressor oil provides adequate performance at operating conditions.
Typical Properties
| Property | Test Method | Value |
|---|---|---|
| KV @ 40°C (cSt) | ASTM D445 | 100 |
| KV @ 100°C (cSt) | ASTM D445 | 11.0 |
| Viscosity Index | ASTM D2270 | 96 |
| Pour Point (°C) | ASTM D97 | -18 |
| Flash Point (°C) | ASTM D92 | 238 |
Typical properties — not guaranteed specifications.
Available Pack Sizes
20L
Price on request — contact Orbit Industrial
Request a Quote — Mobil Rarus™ 427
Available in 20L. Authorised Mobil distributor. Contact Orbit Industrial for pricing.
Orbit Industrial Supplies also recommends Mobil Rarus 827 (Synthetic) → · Request a quote →
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