{"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\/ja\/materials\/polyphenylene-sulfide-pps\/pps-celanese-fortron-1140l4\/","title":{"rendered":"PPS-\u30bb\u30e9\u30cb\u30fc\u30ba \u30d5\u30a9\u30fc\u30c8\u30ed\u30f3 1140L4"},"content":{"rendered":"
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<\/p>\n

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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
\u6975\u9650\u306e\u525b\u6027<\/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
\u90e8\u54c1\u30ab\u30c6\u30b4\u30ea<\/th>\n\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u306e\u91cd\u70b9<\/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
    \n
  • 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 mold parting lines, reducing secondary deflashing processes. Extreme Rigidity Tensile Modulus 14,500 MPa Provides exceptional high-stiffness, unyielding structural support for heavy-duty EV battery connectors and microelectronic frames. Thermal Stability HDT @ 1.80 MPa: 270 \u00b0C Withstands uncompromised mechanical load and shape retention under continuous high heat, ideal for Lead-free Reflow (SMT) processes. Thin-Walled Component Process […]<\/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\/ja\/wp-json\/wp\/v2\/material_model\/2482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media\/2483"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media?parent=2482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}