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3M™ Interam™ Mat Mount 550

Photography: 3M™ Interam® Mat Mount 550
Photography: 3M™ Interam® Mat Mount 550
3M™ Interam™ Mat Mount 550 is an expanding mat mount with reduced vermiculite content for use in a wide range of gasoline system applications.
  • Offers reduced expansion pressure.
  • Performs well under moderate operating temperatures.
  • Is a low bulk density mat.
  • Provides high erosion resistance.
  • Extensive engine durability testing and technical knowledge based on more than 30 years of expertise in the automotive emissions solutions industry.
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Key Attributes

Interam Mat Mount 550 is available in multiple weights and thicknesses for a range of mounting designs and is designed for increased erosion resistance and reduced peak holding forces, with an overall reduced bulk density for thin wall substrates.


ApplicationsCatalytic converter mat mount for medium- and heavy-duty diesel substrates with low coefficient of thermal expansion, Gasoline system mat mounting for standard wall to ultra thin-wall monoliths and close-coupled to underbody applications
LOI Content Range6 - 13 %
Manufacturing SegmentPowertrain
Mat TypeExpanding
Maximum Temperature960 Degree C
Minimum Temperature500 Degree C
Mounting Gap Range3 - 6 Millimetre, 3 - 4 Millimetre
Substrate Wall StrengthThin Wall, Standard, Ultra-Thin Wall
Vehicle TypeCommercial, Automotive, light-duty