Polyphenylene Sulfide (PPS)

For high-density microelectronics and SMT components that must survive lead-free reflow soldering temperatures up to 260°C without dimensional drift, Celanese’s Fortron 1140L4 provides a revolutionary solution. This 40% glass fiber reinforced linear PPS grade is uniquely formulated to minimize the flashing defects common to highly fluid polymers, offering exceptionally low melt viscosity and high structural weld strength. At Jucheng Precision, an ISO 9001 and IATF 16949 certified facility, we specialize in high-precision molding of Fortron 1140L4. Backed by 35+ advanced injection presses and five-axis CNC-machined S136 stainless steel molds, we control its anisotropic shrinkage (0.15%-0.5%) and manage volatile outgassing, delivering zero-defect components verified by Zeiss CMM.

To replace heavy die-cast metal, ceramics, and thermosets in severe operating environments where absolute flat dimensions and low structural warpage under load are critical, Celanese’s Fortron 6165A6 offers a specialized 65% mineral and glass fiber reinforced, linear polyphenylene sulfide (PPS) matrix. Featuring an elevated density of 1.95 g/cm³ and a heat deflection temperature (HDT) of 270°C, this easy-flow grade delivers a massive flexural modulus of 19,000 MPa and excellent dimensional stability under high continuous stress. Jucheng Precision, under IATF 16949 and ISO 9001 frameworks, specializes in precision molding of Fortron 6165A6. Utilizing five-axis CNC-machined H13 toolings, we manage its high filler loading to deliver pristine components verified by Zeiss CMM.

Replacing die-cast aluminum and brass in severe, high-temperature automotive cooling and fluid-handling systems requires exceptional weld strength and chemical resistance, which Polyplastics’ Durafide 1140A6 delivers through its 40% glass fiber reinforced linear polyphenylene sulfide (PPS) matrix. Featuring a density of 1.66 g/cm³ and a heat deflection temperature (HDT) of 270°C, this high-stiffness grade provides a massive flexural modulus of 14,000 MPa and excellent resistance to hot water and glycols. Jucheng Precision, operating under IATF 16949 and ISO 9001 frameworks, specializes in molding Durafide 1140A6. Utilizing 5-axis CNC-machined H13 steel toolings, we manage its low-viscosity flash tendencies (gaps < 0.005mm) to deliver pristine parts verified by Zeiss CMM.

Sustaining extreme dynamic wear resistance, mechanical stiffness, and chemical inertness in harsh industrial and aerospace environments without adding weight requires a premier structural composite, which Syensqo’s Ryton CF30 (formerly Solvay) delivers through its 30% carbon fiber reinforced polyphenylene sulfide (PPS) matrix. Featuring an optimized density of 1.45 g/cm³ and a heat deflection temperature (HDT) of 265°C, this high-performance grade provides a massive tensile modulus of 21,000 MPa alongside inherent electrostatic dissipation (ESD). Jucheng Precision, under IATF 16949 and ISO 9001 frameworks, specializes in precision molding of Ryton CF30. Utilizing 5-axis CNC-machined S136 stainless steel toolings, we control its anisotropic shrink variables (0.1%-0.3%) to deliver dynamic sliding components verified by Zeiss CMM.

To maintain stable dielectric insulation and extreme mechanical rigidity under high-voltage EV and severe under-the-hood thermal loads, Syensqo’s Ryton R-4-200 stands as the premier 40% glass fiber reinforced polyphenylene sulfide (PPS) compound. Featuring a high specific gravity of 1.68 and an exceptional heat deflection temperature of 265°C, this high-performance grade achieves an outstanding UL 94 V-0 and 5VA flammability rating at 1.6mm. Jucheng Precision, under IATF 16949 and ISO 9001 quality systems, specializes in high-precision molding of Ryton R-4-200. Utilizing S136 stainless steel tooling and pressurized oil mold heating, we control its anisotropic shrinkage (0.2%-0.5%) to deliver flash-free electrical components verified by Zeiss CMM.

Substituting heavy brass and die-cast aluminum in modern high-temperature automotive cooling systems and dynamic pump assemblies without compromising dimensional stability requires an elite composite, which Toray’s TORELINA™ A504FG delivers. This 40% glass fiber reinforced polyphenylene sulfide (PPS-GF40) grade provides an exceptional tensile modulus of 14,500 MPa and an extreme heat deflection temperature (HDT) of 265°C, ensuring near-zero thermal expansion under load. Jucheng Precision, operating under IATF 16949 and ISO 9001 quality systems, specializes in high-precision injection molding of Torelina A504FG. Supported by five-axis CNC-machined H13 steel toolings, we manage its low-viscosity flash tendencies (parting line gaps under 0.005mm) and prevent floating fibers, ensuring structurally flawless components verified by Zeiss CMM.