Polycarbonate (PC)

PC-Covestro Makrolon 2407 is a low-viscosity, UV-stabilized polycarbonate resin developed by Covestro, featuring an integrated easy mold release package for high-speed, automated production. Boasting a melt volume-flow rate (MVR) of 19 cm³/10 min (at 300°C/1.2kg) and outstanding structural toughness (notched Izod of 65 kJ/m²), this grade is optimized for thin-walled outdoor housings, transparent lenses, and electrical enclosures exposed to sunlight. Jucheng Precision, operating under IATF 16949 and ISO 9001 frameworks, specializes in molding Makrolon 2407 with zero cosmetic defects. Powered by 5-axis CNC-machined mirror S136 tool cavities, we prevent polymer degradation and eliminate weld lines, verified by Zeiss CMM inspection.

PC-Covestro Makrolon 2805 is a medium-viscosity, amorphous polycarbonate resin developed by Covestro, equipped with an internal mold release agent for efficient demolding. Boasting a melt volume-flow rate (MVR) of 9.0 cm³/10 min (at 300°C/1.2kg) and extreme mechanical toughness (notched Izod of 85 kJ/m²), this grade is optimized for high-impact structural panels, safety shields, and industrial enclosures requiring high stress-crack resistance. Jucheng Precision, under IATF 16949 and ISO 9001 quality frameworks, specializes in molding Makrolon 2805 to deliver zero-defect parts. Backed by 5-axis CNC-machined S136 tool cavities and 35+ advanced presses, we control thermal stresses and eliminate weld lines, verified by Zeiss CMM inspection.

Maintaining absolute structural clarity and high impact strength under repeated gamma-radiation sterilization and aggressive clinical lipid exposure requires a specialized amorphous polymer, which Covestro’s Makrolon Rx1805 delivers through its unreinforced, medical-grade polycarbonate matrix. Certified to USP Class VI and ISO 10993 biocompatibility standards, this premium easy-release resin provides outstanding tensile yield strength (66 MPa) and a high heat deflection temperature (HDT) of 125°C. Jucheng Precision, operating under strict ISO 13485 medical device certified frameworks, specializes in cleanroom molding of Makrolon Rx1805. Utilizing 5-axis CNC-machined S136 stainless steel tooling and pressurized water controllers, we eliminate internal residual molding stresses, delivering high-purity medical components verified by Zeiss CMM.

PC-Sabic Lexan 141R is an amorphous, non-halogenated polycarbonate resin engineered by SABIC, featuring an integrated internal mold release agent for clean, high-speed ejection. With a stable melt flow rate of 10.5 g/10 min and a density of 1.20 g/cm³, this grade is the global standard for high-transparency optical diffusers, automotive headlamp lenses, and durable electronic connectors. Jucheng Precision, under IATF 16949 and ISO 9001 frameworks, specializes in low-stress injection molding of Lexan 141R. Utilizing our five-axis CNC-machined conformal cooling toolings, we effectively prevent weld lines and eliminate residual thermal stresses, ensuring zero-defect components verified by Zeiss CMM inspection.

Achieving metal-like structural stiffness and exceptionally low thermal expansion in high-precision electrical and automotive housings without adding excessive weight requires a specialized composite, which SABIC’s Lexan 3412 delivers. This 20% glass fiber reinforced polycarbonate (PC-GF20) grade provides an impressive tensile modulus of 5,500 MPa and a heat deflection temperature (HDT) of 135°C, ensuring extreme dimensional stability under continuous mechanical load. Jucheng Precision, operating under IATF 16949 and ISO 9001 quality systems, specializes in high-precision injection molding of Lexan 3412. Utilizing 5-axis CNC-machined S136 stainless steel tooling and pressurized cooling, we control its anisotropic shrinkage (0.25%-0.45%) and prevent float fiber defects, delivering structurally flawless components verified by Zeiss CMM.

Securing reliable structural flammability safety and premium dielectric isolation in complex electronic housings without compromising mechanical drop-toughness requires an elite material, which SABIC’s LEXAN™ 940A delivers through its unreinforced, medium-viscosity flame-retardant polycarbonate matrix. Featuring a density of 1.21 g/cm³ and a glass transition temperature (Tg) of 150°C, this amorphous grade achieves an outstanding UL 94 V-0 flammability rating down to 1.0mm and a 5VA rating at 3.0mm. Jucheng Precision, operating under strict IATF 16949 and ISO 9001 frameworks, specializes in precision injection molding of Lexan 940A. Backed by 35+ advanced presses and in-house five-axis CNC-machined tooling, we control its low isotropic shrinkage (0.5%-0.7%), delivering flawless electrical enclosures verified by Zeiss CMM.

PC-Teijin Panlite L-1250Y is a medium-viscosity, general-purpose polycarbonate resin developed by Teijin, formulated with integrated easy-release additives for high-yield precision molding. Featuring a melt volume-flow rate (MVR) of 8.0 cm³/10 min (at 300°C/1.2kg) and an ISO Charpy notched impact strength of 76 kJ/m², this grade offers a high refractive index of 1.585 and 88% light transmittance. Jucheng Precision, under IATF 16949 and ISO 9001 quality frameworks, specializes in molding Panlite L-1250Y for optical and industrial components. Using 5-axis CNC-machined S136 tool cavities and 35+ advanced presses, we control thermal stress and ensure uniform crystallization, verified by Zeiss CMM inspection.

Securing non-halogenated environmental compliance alongside high heat resistance and impact toughness in smart home enclosures and electric vehicle (EV) charging stations requires a specialized amorphous blend, which Covestro’s Bayblend FR3010 delivers. This flame-retardant PC/ABS alloy integrates polycarbonate's structural strength with ABS's easy flowability, achieving an exceptional UL 94 V-0 fire rating at 1.5mm and a 5VA rating at 2.0mm. Jucheng Precision, under IATF 16949 and ISO 9001 frameworks, specializes in precision injection molding of Bayblend FR3010. Utilizing S136 stainless steel molds, we control its low isotropic shrinkage (0.5%-0.7%) and manage volatile gas release, delivering flat, blemish-free electronic covers verified by Zeiss CMM.