{"id":2482,"date":"2026-05-30T11:26:11","date_gmt":"2026-05-30T03:26:11","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2482"},"modified":"2026-06-29T16:08:48","modified_gmt":"2026-06-29T08:08:48","slug":"pps-celanese-fortron-1140l4","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/pt\/materials\/polyphenylene-sulfide-pps\/pps-celanese-fortron-1140l4\/","title":{"rendered":"PPS-Celanese Fortron 1140L4"},"content":{"rendered":"
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Fortron 1140L4 Low-Flash Performance & Structural Profile<\/h2>\n

Fortron\u00ae 1140L4 is a 40% glass fiber reinforced, linear polyphenylene sulfide (PPS) grade engineered by Celanese, specifically designed to minimize flash defects during high-volume precision runs:<\/p>\n\n\n\n\n\n\n\n
Material Property<\/th>\nMeasured Value (ISO\/ASTM)<\/th>\nEngineering Impact<\/th>\n<\/tr>\n<\/thead>\n
Low-Flash Chemistry<\/td>\nPatented Linear Matrix Control<\/td>\nSpecially formulated to drastically suppress typical PPS flashing on mold parting lines, reducing secondary deflashing processes.<\/td>\n<\/tr>\n
Rigidez Extrema<\/td>\nTensile Modulus 14,500 MPa<\/td>\nProvides exceptional high-stiffness, unyielding structural support for heavy-duty EV battery connectors and microelectronic frames.<\/td>\n<\/tr>\n
Thermal Stability<\/td>\nHDT @ 1.80 MPa: 270 \u00b0C<\/td>\nWithstands uncompromised mechanical load and shape retention under continuous high heat, ideal for Lead-free Reflow (SMT) processes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Thin-Walled Component Process Suitability for Fortron 1140L4<\/h2>\n

With outstanding melt fluidity and linear macromolecular weight, Fortron 1140L4 processes beautifully inside complex dynamic components:<\/p>\n\n\n\n\n\n\n\n
Categoria do Componente<\/th>\nFoco no Processo de Moldagem<\/th>\n<\/tr>\n<\/thead>\n
Thin-Wall Electronic Sockets<\/td>\nExcellent. The primary process for Fortron 1140L4. Optimized for high-density, thin-walled micro-connectors, chip carriers, and relays.<\/td>\n<\/tr>\n
High-Load Automotive Sensors<\/td>\nExcellent. Highly compatible with metal terminals, allowing encapsulation of multiple sensor pins directly within highly rigid PPS housings.<\/td>\n<\/tr>\n
Chemical Water-Pump Impellers<\/td>\nGood. Outstanding dimensional stability, low water absorption, and excellent hot water resistance prevent structural distortion.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Molding Analysis: Fortron 1140L4 Dynamic Heat Control and Venting Blueprint<\/h2>\n

Molding a low-flash linear 40% glass-fiber reinforced PPS like Fortron 1140L4 requires precise melt temperature controls and optimized venting to prevent outgassing:<\/p>\n

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Precision Parting Line Control (Tooling Tolerance)<\/p>\n

Even though Fortron 1140L4 is custom-formulated to reduce flashing compared to typical PPS grades, its highly fluid nature still requires highly precise tool shut-offs. Jucheng’s tooling division uses 5-axis CNC machines to achieve micro-tolerances, keeping mold parting clearances strictly within 0.005mm on premium S136 stainless steel mold cavity blocks hardened to 48\u201352 HRC.<\/p>\n<\/div>\n

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Oil-Heated Mold Temperature Matrix<\/p>\n

Pressurized oil heaters are mandatory to keep mold temperatures at 135\u00b0C\u2013150\u00b0C (275\u00b0F to 302\u00b0F). Low mold temperatures prevent the optimal semi-crystalline phase from forming, which severely degrades mechanical strength, chemical resistance, and dimensional stability over time.<\/p>\n<\/div>\n

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Deep Outgassing Venting Slots<\/p>\n

To prevent gas-induced diesel burn marks and short shots, we machine deep, strategically positioned venting channels (0.015mm depth) on the mold parting lines. This secures clean, blemish-free parts on multi-cavity runs.<\/p>\n<\/div>\n

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Hygroscopic Pre-Drying Protocol<\/p>\n

We dry raw resin in desiccant hopper dryers at 120\u00b0C\u2013140\u00b0C (248\u00b0F\u2013284\u00b0F) for 3\u20134 hours. This eliminates surface splay and prevents weld-line micro-voids, keeping internal moisture strictly below 0.02% to secure optimal molecular bonds.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Key Application Fields for PPS-Celanese Fortron 1140L4<\/h2>\n
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  • Electrical, Office & Printers:<\/strong> High-density micro-connectors, SMT-compatible chip bobbins, micro-switches, relay sockets, copier fuser units, and printer gears.<\/li>\n
  • Automotive Powertrains & Fluids (IATF 16949):<\/strong> High-pressure water pump impellers, thermostat housings, heater valves, cooling fluid pipes, throttle bodies, and fuel injection systems.<\/li>\n
  • Fluid Handling, Plumbing & Industrial:<\/strong> Boiler water mixing valves, chemical spray nozzles, household faucet combination valves, and high-pressure hot-water couplers.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Fortron 1140L4 Low-Flash Performance & Structural Profile Fortron\u00ae 1140L4 is a 40% glass fiber reinforced, linear polyphenylene sulfide (PPS) grade engineered by Celanese, specifically designed to minimize flash defects during high-volume precision runs: Material Property Measured Value (ISO\/ASTM) Engineering Impact Low-Flash Chemistry Patented Linear Matrix Control Specially formulated to drastically suppress typical PPS flashing on […]<\/p>\n","protected":false},"featured_media":2483,"template":"","meta":[],"class_list":["post-2482","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/material_model\/2482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/media\/2483"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/media?parent=2482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}