Non-expansion support mat of catalytic converter

TOMBO™ No. 5350


It is a catalytic converter that cleans exhaust gas and a buffer material that protects exhaust pipes from vibrations. Made up of alumina-based, ultra-heat-resistant fibers, it demonstrates top-class durability.

Product Category

AutopartsRetaining Parts & Other Materials(For automobiles)


AutomobilesExhaust Systems


It is made of alumina-based, high-temperature-resistant fibers, and has good heat resistance and compression recovery as well as excellent durability and retention performance.
Its retention can be controlled by its bulk density, and it can be used for a wide range of applications from thin wall catalytic supports that break easily to diesel particulate filters (DPF) that require top-class retention.
It is lightweight and has excellent flexibility.
It has excellent sealing performance against exhaust gas.


Surface density (fibers): 1, 200 to 2, 000 g/m2
Thickness: 8 mm (in the case of 1, 240 g/m2)
Organic part: about 10wt%
*Nichias can also manufacture products with specifications other than those indicated above. Please consult us.


Ceramic support mat of catalytic converter


  • TOMBO is a registered trademark or trademark of NICHIAS Corporation.
  • Name of products with "®" are registered trademarks of NICHIAS Corporation.
  • Name of products with "™" are trademarks of NICHIAS Corporation.
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