{"id":2449,"date":"2026-05-29T16:10:34","date_gmt":"2026-05-29T08:10:34","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2449"},"modified":"2026-06-29T11:35:25","modified_gmt":"2026-06-29T03:35:25","slug":"pom-celanese-celcon-m90","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polyoxymethylene-pom-acetal\/pom-celanese-celcon-m90\/","title":{"rendered":"POM-Celanese Celcon M90"},"content":{"rendered":"
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Celcon M90 Copolymer Hydrolytic & Thermal Profile<\/h2>\n

Celcon\u00ae M90 is a medium-viscosity acetal copolymer (POM-C) engineered by Celanese to deliver exceptional chemical inertness, high thermal stability, and low mold deposit during long-term production runs:<\/p>\n\n\n\n\n\n\n\n
Thermal\/Chemical Feature<\/th>\nCelcon M90 Metric<\/th>\nCopolymer (POM-C) Life Cycle Advantage<\/th>\n<\/tr>\n<\/thead>\n
Hydrolytic Stability<\/td>\nHigh resistance to hot water & strong bases<\/td>\nExhibits superior resistance to strong alkaline detergents and hot-water hydrolysis compared to acetal homopolymers, preventing part chalking and degradation.<\/td>\n<\/tr>\n
Processing Stability<\/td>\nLow-deposit chemical formulation<\/td>\nDesigned to minimize mold deposit (plate-out) during continuous injection cycles, dramatically reducing downtime for mold cleaning and maintenance.<\/td>\n<\/tr>\n
Physical Modulus<\/td>\nFlex Modulus 2600 MPa \/ Tensile 65 MPa<\/td>\nOffers high flexural strength and surface hardness, ensuring dimensional stability in high-wear water valves and fuel caps.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Precision Engineering Process Suitability for Celcon M90<\/h2>\n

With its high-crystallization profile and low outgassing chemistry, Celcon M90 is optimized for dynamic mechanical assemblies:<\/p>\n\n\n\n\n\n\n\n
Process Classification<\/th>\nEngineering Implementation Details<\/th>\n<\/tr>\n<\/thead>\n
Precision Fluid Valves & Water Fittings<\/td>\nExcellent. Fully optimized for hot water mixer valves, fuel caps, water meter housings, spray nozzles, and plumbing connectors requiring long-term chemical resistance.<\/td>\n<\/tr>\n
Intricate Snap-Fit Fasteners<\/td>\nExcellent. High elastic recovery and flexural strength prevent structural fingers from shearing or stress whitening during continuous assembly.<\/td>\n<\/tr>\n
Multi-Cavity Automations<\/td>\nExcellent. Exceptional thermal stability inside the hot runner manifold allows for rapid, low-maintenance injection cycles with tight dimensional repeatability.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Molding Analysis: Celcon M90 Tooling & Low-Mold-Deposit Matrix<\/h2>\n

Molding an acetal copolymer like Celcon M90 requires specialized water-line layouts to counteract high shrink factors, alongside premium steel choice to prevent dynamic outgassing wear:<\/p>\n

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Low Mold Deposit (Plate-Out) Protection<\/p>\n

Compared to homopolymer variants, Celcon M90 generates substantially fewer surface deposits (additives plate-out) on mirror-polished mold face cores. Jucheng’s tooling division uses premium S136 stainless steel hardened to 48\u201352 HRC to prevent chemical wear, increasing tool run lives between cleanings by up to 50%.<\/p>\n<\/div>\n

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Compensating for High Volumetric Shrinkage<\/p>\n

Acetal copolymer exhibits high volumetric shrinkage (1.80% to 2.20%). We employ conformal cooling loops machined on our 5-axis CNCs directly into core and cavity inserts, ensuring uniform heat dissipation across thin-walled valve bodies to prevent warpage and voiding.<\/p>\n<\/div>\n

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Melt & Die Temperature Controls<\/p>\n

Processing melt temperatures are maintained between 180\u00b0C and 210\u00b0C (356\u00b0F to 410\u00b0F) to protect molecular chain structures. Mold temperatures are kept at 80\u00b0C to 120\u00b0C (176\u00b0F to 248\u00b0F) using pressurized oil temperature controllers to optimize crystalline structure and mechanical strength.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Key Application Fields for POM-Celanese Celcon M90<\/h2>\n
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  • Hot-Water Plumbing & Fluids:<\/strong> Household hot-water mixer faucet valves, showerhead manifolds, central heating water regulators, flow meters, and pipe couplings.<\/li>\n
  • Automotive Fuel & Fluids (IATF 16949 Certified):<\/strong> Fuel sender caps, fuel tank breather valves, windshield wiper pivots, window regulator brackets, and cooling radiator connectors.<\/li>\n
  • Medical Consumables & Systems (ISO 13485 Compliant):<\/strong> Pharmaceutical dry-powder inhalers, surgical instrument sliding guides, dental testing caps, and non-implantable dynamic valve structures.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Celcon M90 Copolymer Hydrolytic & Thermal Profile Celcon\u00ae M90 is a medium-viscosity acetal copolymer (POM-C) engineered by Celanese to deliver exceptional chemical inertness, high thermal stability, and low mold deposit during long-term production runs: Thermal\/Chemical Feature Celcon M90 Metric Copolymer (POM-C) Life Cycle Advantage Hydrolytic Stability High resistance to hot water & strong bases Exhibits […]<\/p>\n","protected":false},"featured_media":2450,"template":"","meta":[],"class_list":["post-2449","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material_model\/2449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2450"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}