3WayCatalyst<\/strong> \u0e19\u0e33\u0e40\u0e2a\u0e19\u0e2d\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e04\u0e23\u0e1a\u0e27\u0e07\u0e08\u0e23 \u2014 TWC, DPF, GPF, SCR, DOC, \u0e15\u0e31\u0e27\u0e1e\u0e32\u0e15\u0e31\u0e27\u0e40\u0e23\u0e48\u0e07\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32\u0e41\u0e25\u0e30\u0e2a\u0e32\u0e23\u0e15\u0e31\u0e49\u0e07\u0e15\u0e49\u0e19 \u2014 \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23 OEM \u0e1c\u0e39\u0e49\u0e08\u0e31\u0e14\u0e08\u0e33\u0e2b\u0e19\u0e48\u0e32\u0e22\u0e2b\u0e25\u0e31\u0e07\u0e01\u0e32\u0e23\u0e02\u0e32\u0e22 \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\/\u0e2d\u0e31\u0e1b\u0e40\u0e01\u0e23\u0e14 \u0e41\u0e25\u0e30\u0e01\u0e2d\u0e07\u0e40\u0e23\u0e37\u0e2d\u0e17\u0e31\u0e48\u0e27\u0e42\u0e25\u0e01 (\u0e22\u0e38\u0e42\u0e23\u0e1b \u0e2d\u0e40\u0e21\u0e23\u0e34\u0e01\u0e32\u0e40\u0e2b\u0e19\u0e37\u0e2d \u0e15\u0e30\u0e27\u0e31\u0e19\u0e2d\u0e2d\u0e01\u0e01\u0e25\u0e32\u0e07 \u0e25\u0e30\u0e15\u0e34\u0e19\u0e2d\u0e40\u0e21\u0e23\u0e34\u0e01\u0e32 \u0e40\u0e2d\u0e40\u0e0a\u0e35\u0e22\u0e15\u0e30\u0e27\u0e31\u0e19\u0e2d\u0e2d\u0e01\u0e40\u0e09\u0e35\u0e22\u0e07\u0e43\u0e15\u0e49)<\/p>\n\n\n\n (Using the uploaded CPSI data as the basis for the table below.)<\/p>\n\n\n\n \u0e01\u0e32\u0e23\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e14\u0e49\u0e32\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e21\u0e25\u0e1e\u0e34\u0e29\u0e08\u0e30\u0e22\u0e31\u0e07\u0e04\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e2b\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e43\u0e19\u0e17\u0e28\u0e27\u0e23\u0e23\u0e29\u0e2b\u0e19\u0e49\u0e32 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e25\u0e38\u0e48\u0e21\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e17\u0e35\u0e48\u0e04\u0e23\u0e2d\u0e1a\u0e04\u0e25\u0e38\u0e21 (TWC, DPF, GPF, SCR, DOC, \u0e15\u0e31\u0e27\u0e1e\u0e32, \u0e27\u0e31\u0e2a\u0e14\u0e38\u0e23\u0e2d\u0e07\u0e23\u0e31\u0e1a) \u0e04\u0e27\u0e32\u0e21\u0e40\u0e0a\u0e35\u0e48\u0e22\u0e27\u0e0a\u0e32\u0e0d\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e20\u0e39\u0e21\u0e34\u0e20\u0e32\u0e04 \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e15\u0e48\u0e07\u0e17\u0e35\u0e48\u0e23\u0e27\u0e14\u0e40\u0e23\u0e47\u0e27 \u0e41\u0e25\u0e30\u0e23\u0e32\u0e04\u0e32\u0e15\u0e23\u0e07\u0e08\u0e32\u0e01\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u00a03WayCatalyst<\/a><\/strong>\u00a0\u0e21\u0e35\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e31\u0e19\u0e18\u0e21\u0e34\u0e15\u0e23\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e42\u0e25\u0e01\u0e23\u0e30\u0e22\u0e30\u0e22\u0e32\u0e27\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a OEM \u0e1c\u0e39\u0e49\u0e08\u0e31\u0e14\u0e08\u0e33\u0e2b\u0e19\u0e48\u0e32\u0e22 \u0e41\u0e25\u0e30\u0e42\u0e1b\u0e23\u0e41\u0e01\u0e23\u0e21\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07<\/p>\n\n\n\n <\/p>","protected":false},"excerpt":{"rendered":" \u0e15\u0e31\u0e27\u0e40\u0e23\u0e48\u0e07\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32\u0e02\u0e31\u0e49\u0e19\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e30\u0e42\u0e0b\u0e25\u0e39\u0e0a\u0e31\u0e19 DPF\/GPF\/SCR \u0e17\u0e35\u0e48\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e21\u0e32\u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a Pt\/Pd\/Rh \u0e41\u0e25\u0e30\u0e2a\u0e32\u0e23\u0e15\u0e31\u0e49\u0e07\u0e15\u0e49\u0e19 CPSI \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e02\u0e49\u0e2d\u0e1a\u0e31\u0e07\u0e04\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e21\u0e25\u0e1e\u0e34\u0e29\u0e17\u0e31\u0e48\u0e27\u0e42\u0e25\u0e01<\/p>","protected":false},"author":1,"featured_media":5877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1508,1497,1500,1502,1504,1496,1488,106,395,1498,535,1493,542,530,1495,1494,1501,382,426,1505,1499,1049,1503],"class_list":["post-5874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-1200-cpsi","tag-400-cpsi","tag-600-cpsi","tag-900-cpsi","tag-aftermarket-converter","tag-carb-twc","tag-catalyst-coating","tag-catalytic-converter","tag-cordierite-substrate","tag-cpsi-substrate","tag-diesel-particulate-filter","tag-doc-catalyst","tag-dpf","tag-emission-control-systems","tag-epa-compliant-converter","tag-euro-7-catalyst","tag-gasoline-particulate-filter","tag-gpf","tag-metallic-substrate","tag-oem-catalytic-converter-supplier","tag-precious-metal-pt-pd-rh","tag-scr-system","tag-v2o5-tio2-scr"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/posts\/5874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/comments?post=5874"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/posts\/5874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/media\/5877"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/media?parent=5874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/categories?post=5874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/th\/wp-json\/wp\/v2\/tags?post=5874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}1. \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e21\u0e25\u0e1e\u0e34\u0e29\u0e17\u0e31\u0e48\u0e27\u0e42\u0e25\u0e01 \u2014 \u0e20\u0e32\u0e1e\u0e23\u0e27\u0e21\u0e42\u0e14\u0e22\u0e22\u0e48\u0e2d<\/h2>\n\n\n\n
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![\"\u0e15\u0e31\u0e27\u0e40\u0e23\u0e48\u0e07\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32\u0e2a\u0e32\u0e21\u0e17\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e09\u0e31\u0e19\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e21\u0e25\u0e1e\u0e34\u0e29\u0e02\u0e2d\u0e07\u0e41\u0e04\u0e25\u0e34\u0e1f\u0e2d\u0e23\u0e4c\u0e40\u0e19\u0e35\u0e22\u0e44\u0e14\u0e49\u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48?\"](\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/10\/Can-My-Three-Way-Catalytic-Converter.jpg\" "\\"\\"")
<\/a>2. \u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e32\u0e23\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e21\u0e25\u0e1e\u0e34\u0e29\u0e2b\u0e25\u0e31\u0e01 (\u0e17\u0e35\u0e48 3WayCatalyst \u0e08\u0e31\u0e14\u0e2b\u0e32)<\/h2>\n\n\n\n
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![\"\u0e2a\u0e32\u0e23\u0e15\u0e31\u0e49\u0e07\u0e15\u0e49\u0e19\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e15\u0e31\u0e27\u0e40\u0e23\u0e48\u0e07\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32](\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/11\/Substrate-vs.-Catalyst-Coating-Which-Component-Drives-Three-Way-Catalytic-Converter-Efficiency.jpg\" "\\"\\"")
<\/a>3. CPSI Density: Technical Differences & Vehicle Matching<\/h2>\n\n\n\n
3.1 Key technical differences by CPSI<\/h3>\n\n\n\n
Characteristic<\/th> Low density (200\u2013300 cpsi)<\/th> Standard (400 cpsi)<\/th> High density (600\u2013900+ cpsi)<\/th><\/tr><\/thead> Pores per square inch (CPSI)<\/td> Low<\/td> Industry standard<\/td> \u0e2a\u0e39\u0e07<\/td><\/tr> Channel diameter<\/td> Large<\/td> \u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td> Small<\/td><\/tr> Geometric surface area (GSA)<\/td> Smaller<\/td> \u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td> Larger \u2014 more reaction surface<\/td><\/tr> Wall thickness<\/td> Thicker<\/td> Typical (e.g., ~6 mil)<\/td> Thinner (e.g., 2\u20134 mil)<\/td><\/tr> Exhaust backpressure<\/td> Very low<\/td> \u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td> Higher (but thin-wall tech reduces this)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 3.2 Recommended CPSI \u2192 vehicle \/ application mapping<\/h3>\n\n\n\n
CPSI range<\/th> Typical vehicle \/ application<\/th> Benefits<\/th> Common product uses<\/th><\/tr><\/thead> 200\u2013300 cpsi (low density)<\/strong><\/td> Large-displacement engines, heavy light-trucks, pickup trucks, some aftermarket universal converters<\/td> Very low backpressure, excellent flow for high flow rate engines<\/td> TWC for big engines, universal converters<\/td><\/tr> 400 cpsi (standard)<\/strong><\/td> Most passenger cars (small \u2192 mid engines), many light commercial vehicles<\/td> Balanced cost vs performance; easier coating uniformity<\/td> TWC, some GPF cores for moderate PN control<\/td><\/tr> 600 cpsi (high)<\/strong><\/td> Modern GDI passenger cars, Euro 6d vehicles, medium performance applications<\/td> Higher surface area for conversion and PN control<\/td> TWC, GPF, low-temp active catalyst coatings<\/td><\/tr> 900\u20131200 cpsi (very high \/ ultra)<\/strong><\/td> High-efficiency luxury, hybrid\/plug-in hybrid low-temperature exhausts, vehicles targeting tight Euro 7 limits<\/td> Very high conversion efficiency and PN control, smaller footprints<\/td> High-performance TWC, advanced GPF, low-temp catalysts<\/td><\/tr> DPF (porous block \/ SiC)<\/strong><\/td> Diesel commercial vehicles, buses, some heavy off-road machinery<\/td> >95% PM capture; designed for regeneration<\/td> DPF, DOC+DPF assemblies<\/td><\/tr> SCR (monolith or honeycomb with V\u2082O\u2085\/TiO\u2082)<\/strong><\/td> Heavy trucks, buses, fleet vehicles in regulated NOx regions<\/td> Very high NOx reduction; tailored low-temp performance<\/td> SCR modules, urea dosing integrated systems<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 4. Regional Product Tailoring (examples)<\/h2>\n\n\n\n
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5. Who 3WayCatalyst Serves<\/h2>\n\n\n\n
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6. Factory Capabilities & Competitive Advantages<\/h2>\n\n\n\n
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7. \u0e04\u0e33\u0e41\u0e19\u0e30\u0e19\u0e33\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e08\u0e23\u0e34\u0e07 (\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e41\u0e25\u0e30\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c)<\/h2>\n\n\n\n
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8. \u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b \u2014 \u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14\u0e08\u0e36\u0e07\u0e04\u0e27\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e31\u0e19\u0e18\u0e21\u0e34\u0e15\u0e23\u0e01\u0e31\u0e1a 3WayCatalyst<\/h2>\n\n\n\n