All products and services

SINOx - HT SCR catalyst

JM offers a high temperature SCR catalyst that can operate under a broad range of temperature conditions.

Oxidation catalyst systems

Our portfolio offers our customers options for catalytic coatings on both metallic and ceramic substrates.

Oxidation catalyst portfolio

SUREOX sulfur resistant oxidation catalyst

Our SUREOX™ catalyst with proprietary washcoat technology designed for reliable durable oxidation performance in the presence of sulfur.

Formaldehyde oxidation catalyst

We are a leading supplier of VOC catalyst for the treatment of formaldehyde emissions.  

Ammonia slip catalysts (ASC)

Designed to enhance SCR performance, these catalysts achieve greater NOx control in parallel with lower carbon monoxide emissions and minimal ammonia slip.

EPA Tier 4 compliance

Clean air solutions: our integrated SCRT® technology for US EPA Tier 4 diesel engine compliance.

Three-way catalyst

Clean air solutions: Johnson Matthey's three-way catalysts prevent air pollution from rich-burn and stoichiometric gas engines.

MODULEX and DUALOX catalytic converters and converter-silencers

Clean air solutions: Johnson Matthey's MODULEX and DUALOX® catalytic converters for stationary engines were developed to satisfy the increasing demand for clean air technology combined with silencing.

Mixed oxide catalyst pellets and honeycombs

Clean air solutions: Johnson Matthey’s SINOx® mixed oxide catalysts can be used alone or in combination with precious metal oxidation catalysts for more efficient and economical catalyst systems.