{"id":2389,"date":"2026-05-23T16:18:09","date_gmt":"2026-05-23T08:18:09","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2389"},"modified":"2026-06-29T10:48:05","modified_gmt":"2026-06-29T02:48:05","slug":"pc-teijin-panlite-l-1250y","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polycarbonate-pc\/pc-teijin-panlite-l-1250y\/","title":{"rendered":"PC-Teijin Panlite L-1250Y"},"content":{"rendered":"
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Teijin Panlite L-1250Y Optical & Physical Profile<\/h2>\n

Panlite\u00ae L-1250Y is a premium, medium-viscosity polycarbonate resin engineered by Teijin Limited to deliver excellent optical clarity, high dimensional stability, and easy mold release:<\/p>\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh V\u1eadt l\u00fd & Quang h\u1ecdc<\/th>\nPanlite L-1250Y Nominal Metric<\/th>\nOptical Molding Advantage<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 truy\u1ec1n \u00e1nh s\u00e1ng<\/td>\n88.0% Optical Transmission (3.0 mm)<\/td>\nDelivers brilliant, crystal-clear transparency directly from mirror-polished core cavities. Ideal for protective covers, light guides, and display lenses.<\/td>\n<\/tr>\n
Chi\u1ebft su\u1ea5t<\/td>\nHigh Refractive Index 1.585<\/td>\nOptimizes light ray guidance and dispersion within thick-walled ambient light pipes, eliminating internal refraction loss.<\/td>\n<\/tr>\n
Thermal Resistance<\/td>\nVicat Softening Point 149\u00b0C<\/td>\nMaintains unyielding structural geometry under high operational heat, perfectly suited for automotive headlights and industrial sensor casings.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Process & Flow Capability for Medium-Viscosity Panlite L-1250Y<\/h2>\n

With intermediate melt viscosity and built-in release additives, Panlite L-1250Y solidifies predictably to yield clear structures:<\/p>\n\n\n\n\n\n\n\n
Quy tr\u00ecnh \u0111\u00fac<\/th>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0110\u00fac & Chi ti\u1ebft V\u1eadn h\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n
General Purpose Clear Molding<\/td>\nExcellent. Fully optimized for high-transparency surveillance camera domes, thick-walled lightguides, prisms, and optical lenses.<\/td>\n<\/tr>\n
Outdoor Lens Enclosures<\/td>\nExcellent. Ideal for heavy-duty industrial electricity meter covers, safety helmets, marine signal lens caps, and protective shields.<\/td>\n<\/tr>\n
Multi-Cavity Unmanned Runs<\/td>\nExcellent. Built-in, high-efficiency mold release additives facilitate rapid and clean ejection, avoiding part scuffing during automated runs.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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PC-Teijin Panlite L-1250Y Tooling & Optical Defect Mitigation Guide<\/h2>\n

Molding an optical-grade, medium-viscosity resin like Panlite L-1250Y requires precise mold temperature control and zero-moisture drying to protect optical clarity:<\/p>\n

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  • Pristine Optical Polishing (S136 steel):<\/strong> Microscopic tool marks on core or cavity surfaces will scatter light, causing optical haze. Jucheng\u2019s tooling division uses premium S136 stainless steel mold cavity inserts, mirror-polished to a high level, ensuring parts emerge with flawless, glass-like clarity.<\/li>\n
  • S\u1ea5y kh\u00f4 b\u1eb1ng ch\u1ea5t h\u00fat \u1ea9m & ph\u00f2ng ch\u1ed1ng v\u1ec7t b\u1ea1c:<\/strong> Wet PC is highly susceptible to hydrolytic polymer chain fracture, destroying mechanical strength and causing splay or silver streaks. We dry raw resin in desiccant hopper dryers at 120\u00b0C (248\u00b0F) for 3\u20134 hours, keeping moisture strictly below 0.02%.<\/li>\n
  • Low Internal Stress (Molding Temperatures):<\/strong> Nhi\u1ec7t \u0111\u1ed9 th\u00f9ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c duy tr\u00ec trong kho\u1ea3ng 280\u00b0C \u0111\u1ebfn 320\u00b0C (536\u00b0F \u0111\u1ebfn 608\u00b0F). Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef \u1edf 80\u00b0C \u0111\u1ebfn 110\u00b0C (176\u00b0F \u0111\u1ebfn 230\u00b0F) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00f3ng t\u1ed1i \u0111a v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u00fac n\u1ed9i b\u1ed9 c\u00f2n l\u1ea1i.<\/li>\n
  • Shrinkage & Warpage:<\/strong> Panlite L-1250Y exhibits low and highly uniform shrinkage (0.5% to 0.7%). We machine balanced, conformal cooling circuits directly into core blocks to speed up heat dissipation, further reducing cycle times and preventing thermal warpage.<\/li>\n<\/ul>\n<\/section>\n

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    Key Application Fields for PC-Teijin Panlite L-1250Y<\/h2>\n
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    • Automotive Lighting & Guides (IATF 16949):<\/strong> Ambient lightguides, headlight lenses, clear rear light covers, dashboard buttons, and sunroof frames.<\/li>\n
    • Ph\u1ea7n c\u1ee9ng \u0111i\u1ec7n & l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh:<\/strong> Transparent power meter covers, high-voltage connector blocks, outdoor industrial switch boxes, and LED panel housings.<\/li>\n
    • S\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng & an to\u00e0n:<\/strong> Protective face shields, surveillance camera domes, safety helmets, clear cups, and structural drone components.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Teijin Panlite L-1250Y Optical & Physical Profile Panlite\u00ae L-1250Y is a premium, medium-viscosity polycarbonate resin engineered by Teijin Limited to deliver excellent optical clarity, high dimensional stability, and easy mold release: Physical & Optical Attribute Panlite L-1250Y Nominal Metric Optical Molding Advantage Light Transmittance 88.0% Optical Transmission (3.0 mm) Delivers brilliant, crystal-clear transparency directly from […]<\/p>\n","protected":false},"featured_media":2390,"template":"","meta":[],"class_list":["post-2389","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\/2389","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\/2390"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}