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CASTROL Aircol MR 46
Rotary Screw Compressor Lubricant
Application CASTROL Aircol MR 46
Aircol MR incorporates a carefully balanced antioxidant system providing improved oxidative and thermal stability giving “extended” service life for both oil flooded and oil injected rotary screw compressors operating continuously at air discharge temperatures up to 90ºC. The product has been designed to meet service drain intervals of 4000 hours. For intermittent or continuous operation with air discharge temperatures above 90ºC the manufacturers’ standard oil change periods should be used. The Aircol MR range is fully compatible with nitrile, silicone and fluropolymer seal materials. Aircol MR is classified as follows: ISO 6743-3 Compressor Oils; DAG and DAH for rotary air compressors. Aircol MR grades meet the requirements of: Atlas Copco for 4000 hour oil life.
of CASTROL Aircol MR 46 drops automatically in larger quantities.Performance, Features & Benefits of CASTROL Aircol MR 46 are:
- Very low deposit forming tendencies extends oil change intervals and air filter life which contributes to a reduction in maintenance costs.
- Good air/oil separation properties at the separator element reduces risk of oil carry over
- Good antiwear protection reduces rotor wear.
- Excellent water separation characteristics allows condensation to readily separate from the oil, minimising the risk of emulsions which could block the oil separator element.
- Excellent oxidation and thermal stability minimises oil thickening and extends the oil separator life and reduces fouling of coolers & pipes.
- Prevents corrosion when operating under humid conditions.
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Product Description CASTROL Aircol MR 46
The Castrol AircolTM MR compressor oil range of premium lubricants are formulated from highly refined mineral oils and novel additive technology to give outstanding antiwear and antirust performance to meet the requirements of Atlas Copco and similar types of compressor design.
Typical Characteristics
| Product specifications : | CASTROL Aircol MR 46 | |
| Appearance | Visual | Clear & Bright |
| ISO ViscosityGrade | - | 46 |
| Density @ 15°C / 59°F kg/m³ | ISO 12185 / ASTM D4052 |
880 |
| Kinematic Viscosity @ 40°C / 104°F mm²/s |
ISO 3104 / ASTM |
46 |
| Kinematic Viscosity @ 100°C / 212°F mm²/s | ISO 3104 / ASTM D445 |
6.7 |
| Viscosity Index |
ISO 2909 / ASTM |
100 |
| Foam Sequence I - tendency / stability ml/ml | ISO 6247 / ASTM D892 |
30/0 |
| Pour Point °C/°F |
ISO 3016 / ASTM |
-21/-5.8 |
| Flash Point, PMCC °C/°F | ISO 2719 / ASTM D93 |
222/431.6 |
| Rust test - synthetic seawater (24 hrs) |
ISO 7120 / ASTM |
Pass |
| Water Separation @ 54°C / 129°F (40/ 37/3) min |
ISO 6614 / ASTM D1401 |
15 |
| Oxidation Stability - Rotating Pressure Vessel test min |
ASTM D2272 |
700 |
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