Mobiltherm™ 43

Mobil industrial , Mexico

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



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


Properties and Specifications


ASTM Color, ASTM D1500


Autoignition Temperature, °C, ASTM E659


Flash Point, Cleveland Open Cup, °C, ASTM D92


Kinematic Viscosity @ 100 C, mm2/s, ASTM D445


Kinematic Viscosity @ 40 C, mm2/s, ASTM D445


Pour Point, °C, ASTM D97


Density @ 15 C, kg/l, ASTM D1298



Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


ExxonMobil Mexico, S.A. de C.V.
Poniente 146 No. 760 Col. Industrial Vallejo
C.P. 02300 Mexico, Ciudad de Mexico

(01 52) 55 5-333-9602 (01 52) 1-800-90-739-00

Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification.  Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations.  The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.