THERMORUN™ is a comprehensive group of products designed for the manufacturing of airbag covers and housings.


MCPP has been a leading supplier of high performance TPE (Thermal Plastic Elastomers) resins for the automotive industry for many years. Our THERMORUN™ engineering grades have been an established and proven global leader in many key related automotive safety systems and applications for Airbags, Interior Parts and Weather Strips. 

THERMORUN™ Airbag Use:
DAB - Driver Side AirbagPAB - Passenger Side AirbagSiAB - Seat Mounted Airbags & HousingsPedestrian
CAB - Curtain AirbagKAB - Knee AirbagAGB - Active Glove Box 


THERMORUN™ products offer excellent physical properties, elasticity, durability and can be easily molded with standard molding equipment. THERMORUN™ products come in a wide variety of different grades, including grades for injection molding, extrusions and blow molding and in a wide range of durometers (55A to 60D) plus rigid PP based compounds dedicated for extruded automotive applications. 

In critical safety applications, THERMORUN™ offers consistent performance across automotive interior temperature ranges (-40°C to 85°C). 

Leading the way in automotive safety applications, THERMORUN™ solutions have been developed to comply with the highest OEMs and Tier 1 safety specifications.


THERMORUN™ offers:

  • Good Color-ability
  • Excellent aesthetics
  • Good Molded-in-Color (MIC) Appearance
  • Improved scratch resistance
  • Low Density

THERMORUN™ is offered in paintable or pre-colored.  Pre-colored formulations are designed to enhance scratch resistance.



  • Excellent Thermal Stability
  • High Stiffness
  • Impact Ductility Performance down to -50°C
  • Excellent Hot & Cold Airbag Deployment Performance
  • Low Shrinkage Grades
  • Excellent Welding
  • Good Heat Sag Resistance
  • Superior Processing Characteristics
  • Excellent Chemical Resistance
  • Good Foam Adhesion
  • Recyclable


For a list of THERMORUN™ automotive approvals, please contact us. 

As of 2017, the global brand name for airbag is THERMORUN™, including the grades formerly marketed as TEFABLOC™. The TEFABLOC™ brand still exists to design TPEs for other purposes.

Main Properties

  • Impact Impact
  • Colored at Specified Shade Colored at Specified Shade
  • Abrasion / Scratch / Rubbing Abrasion / Scratch / Rubbing