Mobiltherm 43 
Premium Heat Transfer Oil 
Product Description
Mobiltherm 43 is a formulated paraffinic type fluid designed for closed heat transfer systems operating at higher bulk temperatures including demanding open systems.  It has a high specific heat and thermal conductivity to provide more rapid heating and greater flexibility in a system.
Features and Benefits
When used as recommended, Mobiltherm 43 will provide the following benefits and advantages:
- Resistant to thermal cracking - performs well up to 315.5C(600F)
- Excellent Oxidation Stability - Minimizes sludge and acid formation, extends product life
- Low Temperature Performance - Permits easy cold weather starting in temperatures down to -6.7C(20F)
- High Heating Efficiency - High specific heat and thermal conductivity help keep fuel costs down
- Low Volatility - Reduces potential for pump cavitation
Applications
Mobiltherm 43 is recommended for the following applications:
- Asphalt and cold tar storage, transport and compounding
- Dyes, chemicals and pharmaceuticals manufacture
- Lumber drying
- Paper and paperboard production
- Petroleum products processing
- Plywood laminating
- Rubber and plastics molding, extrusion, curing, and calendering
- Sheet metal laminating
- Solar energy heat transfer and storage
- Textiles (hot calendering)
- Tiles, linoleum, and roofing products
- Varnish and resins manufacture
Typical Properties
| Mobiltherm 43 |  | 
| Product Code | 68036-3 | 
| CMCS Code, drum | 98GB07 | 
| Specific Gravity | 0.8772 | 
| Pour Point, C (F), max, ASTM D 97 | -12(10) | 
| Flash Point, C(F), min | 198(390) | 
| Viscosity, ASTM D 445 |  | 
| cSt at 40C | 30.6 | 
| cSt at 100C | 5.1 | 
| SUS at 100F | 158 | 
| SUS at 210 | 43.3 | 
| Auto-Ignition Temperature, C(F) | 354(670) | 
| Color, ASTM D 1500 | 0.5 | 
Health and Safety
Refer to the Material Safety Data Sheet for safety and health information
Material Safety Data Sheets can be obtained from your local distributor; via the Internet on http://msds.exxonmobil.com.
For additional technical information or to identify the nearest U.S. Mobil supply source, call 1-800-662-4525.
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