Mobil SHC Aware™ ST Series
U.S. EPA 2013 Vessel General Permit Compliant Stern Tube Oil
Product Description
Mobil SHC Aware™ ST Series lubricants are high performance, emulsifying stern tube oils for marine stern tube systems that meet the U.S. Environmental Protection Agency (EPA) 2013 Vessel General Permit (VGP) guidelines for “environmentally acceptable lubricants”. Mobil SHC Aware ST Series emulsifies readily with seawater to form a stable water-in-oil emulsion that is adhesive ａnd an excellent lubricant. It provides effective rust protection in the presence of seawater ａnd the lubricating film is resistant to water washing so that corrosion protection is maintained for extended periods under severe operating conditions.
Features ａnd Benefits
- Meets US EPA 2013 Vessel General Permit requirements for environmentally acceptable lubricants
- Can safely run with up to 20% water content emulsion
- Excellent load carrying capability ａnd corrosion protection
- Compatible with most typical mineral oils used for stern tubes
- Good elastomer compatibility, it works well with many of the same elastomers used with conventional mineral oils
- Mobil SHC Aware ST 220 can provide effective leak control when seal damage occurs
Applications
- Marine stern tube systems, fin stabilizers, ａnd certain controllable pitch propeller systems where spills or leakage could result in adverse environment impact
- In systems where readily biodegradable ａnd minimally toxic fluids may be required
- Marine ａnd mobile equipment operating in environmentally sensitive areas
- Circulation systems operating under mild to moderate service conditions
Specifications ａnd Approvals
| Mobil SHC Aware ST Series meets or exceeds the following regulatory requirements: | 100 | 220 |
| US EPA 2013 Vessel General Permit | X | X |
Typical Properties
| Mobil SHC Aware ST Series | | |
| ISO Viscosity Grade | 100 | 220 |
| Viscosity, ASTM D 445 | | |
| cSt @ 40ºC | 100 | 220 |
| cSt @ 100ºC | 19.3 | 33.3 |
| Viscosity Index, ASTM D 2270 | 205 | 200 |
| Density @ 15ºC, ASTM D4052, g/ml | 0.922 | 0.932 |
| FZG Gear Test, A/8.3/90, DIN ISO 14635-1, Fail Load Stage | 10 | 11 |
| Rust Characteristics, procedure B, ASTM D 665 | Pass | Pass |
| Pour Point, ASTM D 97, ºC | -24 | -12 |
| Flash Point, (min) ASTM D 92, ºC | 170 | 163 |
| Biodegradability, CO2 Evolution, OECD 301 B, % | >60 | >60 |
| Acute Algal Toxicity 72h EC50, OECD 201, mg/l | >1000 | >1000 |
| Acute Daphnia Toxicity 48h EC50, OECD 202, mg/l | >1000 | >1000 |
| Acute Fish Toxicity 96h LC50, OECD 203, mg/l | >1000 | >1000 |
Bioaccumulation, OECD 117,
Partition Coefficient, log KOW | <3 | <3 |
Health ａnd Safety
Based on available information, this product is not expected to produce adverse effects on health when used for the intended application ａnd the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS＇s are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.
The Mobil logotype, the Pegasus design, ａnd Mobil SHC Aware are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.
