Mobil SHC™ Aware™ Series gear oils
Mobil SHC™ Aware™ Gear Series gear oils meet Vessel General Permit (VGP) requirements for environmentally acceptable lubricants* and are engineered to deliver outstanding protection for gears and bearings, even under extreme pressure conditions.
Mobil SHC™ Aware™ Gear 68, Mobil SHC™ Aware™ Gear 100 and Mobil SHC™ Aware™ Gear 150 oils are suitable for use in marine controllable pitch propeller and thruster applications, enclosed gear drives, and in systems where readily biodegradable and minimally toxic fluids may be required due to potential for water-oil interface. They are also compatible with many common gearbox materials.
The benefits of these lubricants may include:
- Protection from micropitting and scuffing
- Long service life of machinery, reducing maintenance between dry docks
- Excellent resistance to high-temperature degradation
- Very good demulsibility and resistance to rust and corrosion/li>
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Data Sheet
Product data sheet (PDS) 
Safety data sheet (SDS) Product Information
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Technical resources
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Features and Benefits
- Meets US EPA 2013 Vessel General Permit requirements for environmentally acceptable lubricants
- Outstanding load-carrying and anti-wear properties which protects system components against micropitting and scuffing and helps provide long equipment life
- Shear stable high viscosity index help sustain component protection over a wide temperature
- Excellent resistance to high temperatures degradation
- Very good demulsibility and resistance to rust and corrosion
Specifications and Approvals
| Mobil SHC Aware Gear Series meets or exceeds the following industry / Government requirements: | 68 | 100 | 150 |
| US EPA 2013 Vessel General Permit | X | X | X |
| AGMA 9005-E02-EP | X | X | X |
| ISO 12925-1 1996 ISO-L-CKC | X | X | X |
| ISO 12925-1 1996 ISO-L-CKD | X | X | X |
| Mobil SHC Aware Gear Series have the following Thruster builder approvals: | 68 | 100 | 150 |
| Nakashima | X | X | X |
| HHI Hyundai | X | X | X |
| KTE Nakashima Korea | X | X | X |
| KHI | X | X | X |
Applications
- Marine controllable pitch propeller and thruster applications
- Suitable for enclosed gear drives including steel-on-steel spur, helical and bevel designs
- In systems where readily biodegradable and minimally toxic fluids may be required
- Marine and mobile equipment operating in environmentally sensitive areas
Typical Properties
| Mobil SHC Aware Gear Series | |||
| ISO Viscosity Grade | 68 | 100 | 150 |
| Viscosity, ASTM D 445 | |||
| cSt @ 40 ºC | 68 | 100 | 150 |
| cSt @ 100 ºC | 10.7 | 13.3 | 17.8 |
| Viscosity Index, ASTM D 2270 | 141 | 137 | 135 |
| FZG Scuffing Test, A/8.3/90, DIN ISO 14635-1 | 14 | 14 | 14 |
| FZG Micropitting by FVA Ni 54 U-1IV | 10 | 10 | 10 |
| FE8 Cage Test, DIN 51517-3:2014-02 | 34 | 34 | 34 |
| Rust Characteristics, procedure B, ASTM D 665 | Pass | Pass | Pass |
| Pour Point, ASTM D 97, ºC | -36 | -36 | -36 |
| Flash Point, (min) ASTM D 92, ºC | 273 | 287 | 281 |
| Air Release @ 50 ºC, ASTM D3427 | 12 | 21 | 31 |
| % Viscosity Increase, B-10 Oxidation 80h @ 127 ºC | 3 | 4 | 4 |
| Biodegradability, CO2 Evolution, OECD 301 B, % | 84 | 84 | 84 |
| Acute Algal Toxicity 72h EC50, OECD 201, mg/l | >1000 | >1000 | >1000 |
| Acute Daphnia Toxicity 48h EC50, OECD 202, mg/l | >1000 | >1000 | >1000 |
| Acute Fish Toxicity 96h LC50, OECD 203, mg/l | >1000 | >1000 | >1000 |
| Bioaccumulation, OECD 117, Partition Coefficient, log KOW | <3 | <3 | <3 |
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