Metallic Honeycomb Catalyst is suitable for automobile exhaust purification catalytic converters , industrial waste gas purification and other fields. It can meet the increasing requirements of environmental protection .We also supply Catalytic Converter, Catalytic muffler, Motorcycle catalytic converter, DPF,DOC Catalyst, SCR catalyst ,TWC catalyst,Ceramic honeycomb monolith , Metal honeycomb carrier, ect. Our management system has been certified the ISO9001 and TS16949 by SGS company.  We offer the most diverse metallic substrate configurations in the world.All shapes can be made with or without mantels. Sizing for rounds, ovals and rectangles up to 48" - 1200mm OD Custom cell configurations available   SubstrateConfigurationsShapes can be made with or without mantels/tube Custom shapes that may not be shown here are also available upon request Custom foil geometries available Extensive product offering with variable cell sizes and flow depth options   SubstrateConstructionBrazed, Oxidized & Mechanically Retained Single brazed rounds as large as 48"OD (1200mm) Rectangles up to 48" (1200mm)   Standard Metallic Substrate Nomenclature  Metal Substrates without mantels Metal Substrates with mantels Matrix OD x Matrix length x CPSIMatrix OD(Mantel OD)x Matrix length(Mantel Length) Example: 6.5 inch x 3.5 inch x 300CPSI Example:6.38 inch (6.5 inch ) x 3.5 inch (4.0 inch) x 300CPSI Cell densities - CPSI Stock foil widths Rounds in Mantels (air flow depth) Available tube sizes smaller 6� OD 25 260 Inches mm Inches mm 50 300 1 25 1 25 70 350 1.7 43 1.25 32 80 400 2 51 1.5 38 100 500 2.25 57 1.75 44 150 600 2.5 64 2 51 200 900 2.75 70 2.25 57 230 1000 3 76 2.5 64 Custom sizes also available upon request 3.25 83 2.75 70 3.5 89 3 76 4 102 3.25 83 4.72 120 3.5 89 5 127 4 102 5.91 150 5 127 12 305 6 152 Any OD larger than 6� is available