Description
Shell Corena S4 R 68 is a fully synthetic, high-performance air compressor oil formulated to provide exceptional lubrication for rotary screw and vane compressors. Engineered with advanced synthetic base oils and a proprietary additive system, it ensures:
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Extended oil drain intervals up to 12,000 hours
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Superior thermal and oxidative stability
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Outstanding wear protection
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Excellent water separation and air release properties
This lubricant is particularly suited for applications operating under severe conditions, including high temperatures and pressures, making it an ideal choice for industries such as textiles, powerloom operations, and general manufacturing.
⚙️ Technical Specifications:
| Property | Value |
|---|---|
| ISO Viscosity Grade | 68 |
| Kinematic Viscosity @ 40°C (mm²/s) | 68 |
| Kinematic Viscosity @ 100°C (mm²/s) | 10.2 |
| Viscosity Index | 135 |
| Density @ 15°C (kg/m³) | 848 |
| Flash Point (COC, °C) | 248 |
| Pour Point (°C) | -45 |
| Air Release (minutes) | 4 |
| Water Separability (minutes) | 10 |
| Oxidation Stability (RPVOT, minutes) | 2200 |
| FZG Load Carrying Test (Failure Load Stage) | >12 |
| Rust Prevention (ASTM D665-B) | Pass |
Source: Lubricant Hub
🌟 Key Features & Benefits:
✅ Extended Oil Life – Maintenance Savings
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Oil drain intervals up to 12,000 hours, reducing downtime and maintenance costs.
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Exceptional resistance to thermal and oxidative degradation ensures prolonged lubricant performance.
✅ Outstanding Wear Protection
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Advanced ashless anti-wear additives protect critical components like bearings and gears, extending equipment life.
✅ Enhanced System Efficiency
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Excellent air release and low foaming characteristics ensure reliable compressor operation.
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Superior water separation properties maintain lubricant integrity in humid conditions.
✅ High-Temperature Performance
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Maintains performance in discharge temperatures exceeding 100°C and pressures over 25 bar, suitable for demanding industrial environments.
🏭 Industry Applications:
Shell Corena S4 R 68 is ideal for:
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Textile and Powerloom Industries: Ensures reliable compressor operation in environments with high humidity and fiber contamination.
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General Manufacturing: Supports various pneumatic systems requiring consistent air supply.
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Construction and Infrastructure: Suitable for compressors operating in high-temperature and dusty conditions.
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Automotive and Aerospace: Provides dependable performance for air compressors in assembly lines and maintenance operations.
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Food and Beverage Processing: Applicable in non-food contact air systems, maintaining cleanliness and efficiency.
🔧 Suitable Applications:
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Rotary Screw Compressors: Oil-injected systems operating under severe conditions.
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Rotary Vane Compressors: Systems requiring high-performance lubrication for extended periods.
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Bearings and Circulation Systems: Where synthetic R&O (rust and oxidation inhibited) oils are specified.
🔍 FAQs:
Q1: What is the recommended oil drain interval for Shell Corena S4 R 68?
A: Up to 12,000 hours, depending on operating conditions and manufacturer recommendations.
Q2: Is Shell Corena S4 R 68 suitable for textile industry compressors?
A: Yes, its excellent water separation and oxidation stability make it ideal for compressors in textile and powerloom operations.
Q3: Can Shell Corena S4 R 68 be used in high-temperature environments?
A: Absolutely, it performs effectively in discharge temperatures exceeding 100°C.
Q4: What are the benefits of using Shell Corena S4 R 68 over mineral oils?
A: Longer oil life, reduced maintenance costs, superior thermal stability, and enhanced protection against wear and deposits.
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