{"id":2330,"date":"2026-05-21T15:38:42","date_gmt":"2026-05-21T07:38:42","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2330"},"modified":"2026-06-30T17:11:20","modified_gmt":"2026-06-30T09:11:20","slug":"liquid-crystal-polymer-lcp","status":"publish","type":"material","link":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/materials\/liquid-crystal-polymer-lcp\/","title":{"rendered":"Liquid Crystal Polymer (LCP)"},"content":{"rendered":"
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Comprehensive LCP Grades We Mold<\/h2>\n

We process premium Liquid Crystal Polymer formulations from leading global polymer synthesizers, optimized for ultra-thin wall structures and dimensional stability:<\/p>\n\n\n\n\n\n\n\n
LCP Material Class<\/th>\nTypical Brand & Grade<\/th>\nKey Characteristics & Advantages<\/th>\n<\/tr>\n<\/thead>\n
Glass-Fiber Reinforced<\/td>\n\u2022 Celanese Vectra E130i (30% GF)
\n\u2022 Sumitomo Sumikasuper E6008
\n\u2022 DuPont Zenite 6130<\/td>\n		Extremely high tensile modulus, low warpage, and outstanding creep resistance. Demonstrates clean flow behaviors inside multi-cavity hot runner systems. Ideal for precision electrical connectors.<\/td>\n<\/tr>\n
Mineral & Glass Filled<\/td>\n\u2022 Celanese Vectra S135
\n\u2022 Sumitomo Sumikasuper E5006 \/ E5008<\/td>\n		Formulated to balance molecular orientation and minimize anisotropic shrinkage. Elevates surface flatness and provides excellent heat resistance for lead-free surface mount (SMT) soldering.<\/td>\n<\/tr>\n
Ultra-High Flow \/ Thin-Wall<\/td>\n\u2022 Celanese Vectra E840i
\n\u2022 Toray Siveras LX70G35<\/td>\n		Exceptional melt flow index (MFI) designed specifically for parts with wall thicknesses below 0.15mm. Ideal for fine-pitch board-to-board (B2B) connectors and SIM card sockets.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Applicable Molding Processes for LCP<\/h2>\n

LCP\u2019s low melt viscosity and rapid shear-thinning response support highly intricate molding methods:<\/p>\n\n\n\n\n\n\n\n
Molding Process<\/th>\nProcess Suitability & Application<\/th>\n<\/tr>\n<\/thead>\n
Thin-Wall Molding<\/td>\nExcellent. LCP is the gold standard material for thin-walled electronic sockets and high-density 5G connectors with walls down to 0.1mm.<\/td>\n<\/tr>\n
Micro Injection Molding<\/td>\nExcellent. Highly optimized for molding sub-millimeter electronic housings, camera module carriers, and minimally invasive medical catheter tips.<\/td>\n<\/tr>\n
Insert Molding<\/td>\nExcellent. Extensively used in automated production lines to encapsulate tiny gold-plated copper terminal pins inside SMT-compatible connector bases.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Liquid Crystal Polymer (LCP) Manufacturing & Tooling Guide<\/h2>\n

LCP\u2019s highly oriented molecular chains in the melt state provide great strength, but also lead to unique challenges like anisotropic shrinkage and weld-line weakness:<\/p>\n

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  • Pre-Drying:<\/strong> LCP is slightly hygroscopic. We pre-dry the resin in desiccant dryers at 140\u00b0C\u2013160\u00b0C (284\u00b0F\u2013320\u00b0F) for 4\u20136 hours, maintaining moisture levels under 0.01% to prevent visual splay and mechanical weakness.<\/li>\n
  • \u7194\u81a0\u6eab\u5ea6\uff1a<\/strong> Managed between 310\u00b0C and 360\u00b0C (590\u00b0F to 680\u00b0F) depending on the specific LCP type (Type I vs Type II polymer structures).<\/li>\n
  • \u6a21\u5177\u6eab\u5ea6\uff1a<\/strong> Managed between 60\u00b0C and 120\u00b0C (140\u00b0F to 248\u00b0F). Higher mold temperatures are recommended for high-temperature LCP grades to improve molecular blending at weld lines.<\/li>\n
  • Weld-Line Management:<\/strong> LCP molecules align heavily along the flow direction. This orientation causes weld lines (where two flow fronts meet) to be mechanically weak. Jucheng\u2019s tooling engineers utilize advanced Moldflow analysis to position gates strategically, shifting weld lines away from load-bearing structures.<\/li>\n
  • Anisotropic Shrinkage Control:<\/strong> Shrinkage is almost zero in the flow direction (0.0% to 0.1%), but perpendicular to the flow, it can reach 0.3% to 0.5%. Our in-house tooling division uses 5-axis CNC machines to precisely machine mold dimensions to compensate for this variance.<\/li>\n<\/ul>\n<\/section>\n

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    Key Application Industries for Molded LCP Components<\/h2>\n
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    • 5G Telecommunications & Electronics:<\/strong> Fine-pitch board-to-board connectors, USB Type-C sockets, SIM card slots, CPU sockets, camera module frames, and high-frequency antenna components.<\/li>\n
    • Automotive Powertrains (IATF 16949 Certified):<\/strong> Ignition coil housings, transmission sensors, powertrain control modules, LED lamp sockets, and electric water pump sensors.<\/li>\n
    • Medical Instruments (ISO 13485 Compliant):<\/strong> Minimally invasive surgical tips, high-end medical connectors, diagnostic cartridge bobbins, and catheter components requiring SMT soldering.<\/li>\n
    • Aerospace & Defense:<\/strong> High-frequency RF connectors, satellite antenna bases, specialized flight control sensor housings, and electronic switch blocks.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Comprehensive LCP Grades We Mold We process premium Liquid Crystal Polymer formulations from leading global polymer synthesizers, optimized for ultra-thin wall structures and dimensional stability: LCP Material Class Typical Brand & Grade Key Characteristics & Advantages Glass-Fiber Reinforced \u2022 Celanese Vectra E130i (30% GF) \u2022 Sumitomo Sumikasuper E6008 \u2022 DuPont Zenite 6130 Extremely high tensile […]<\/p>\n","protected":false},"featured_media":2415,"template":"","meta":[],"material_type":[20],"application_feature":[],"machining_process":[],"class_list":["post-2330","material","type-material","status-publish","has-post-thumbnail","hentry","material_type-high-performance-polymers"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/material\/2330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/types\/material"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/media\/2415"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/media?parent=2330"}],"wp:term":[{"taxonomy":"material_type","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/material_type?post=2330"},{"taxonomy":"application_feature","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/application_feature?post=2330"},{"taxonomy":"machining_process","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/zh_hk\/wp-json\/wp\/v2\/machining_process?post=2330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}