PPS-Celanese Fortron 6165A6

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.

Precision-injection-molded-grey-Fortron-6165A6-mineral-filled-PPS-automotive-pump-housings

Fortron 6165A6 Highly Filled Rigidity & Deflection Profile

Fortron® 6165A6 is a 65% mineral and glass fiber reinforced semi-crystalline Linear PPS compound engineered by Celanese, designed to deliver extreme mechanical modulus, low warpage, and stable dimensional repeatability:

Physical & Structural Property Fortron 6165A6 Value Engineering Advantage
Structural Rigidity Tensile Modulus 19,000 MPa / Flexural Modulus 19,000 MPa Delivers extraordinary, metal-matching modulus, ensuring zero component deflection or deformation under continuous structural loads.
Heavy-Load Deflection HDT 215 °C (@ 8.00 MPa) Retains outstanding structural stiffness and shape under extreme continuous temperatures and dynamic load profiles (HDT 270°C at 1.80 MPa).
Material Density 65% Filled Density 1.95 g/cm³ Heavy glass-mineral compound packages elevate specific density, providing massive weight-feel and structural soundness.

Structural Component Process Configurations for Fortron 6165A6

With its high density and easy-flow polymer melt behavior, Fortron 6165A6 fills complex structural cavities consistently:

Dynamic Molding Process Process Adaptability & Operational Details
Aesthetic Automotive Lamp Housings Excellent. The primary process for Fortron 6165A6. Engineered for low-warpage automotive headlights reflectors, lamp housings, and sockets.
High-Wear Pistons & Pump Impellers Excellent. Highly suitable for structural chemical-resistant pump impellers, boiler water mixing valves, and wear-resistant pistons.
High-Precision SMD Bobbins Good. Outstanding dimensional stability, low outgassing, and high SMT lead-free solder heat resistance allow clean electronic runs.

PPS-Celanese Fortron 6165A6 Engineering Matrix & Shrinkage Blueprint

Molding an ultra-stiff, 65% mineral-glass filled semi-crystalline polymer like Fortron 6165A6 requires strict mold temperature control and abrasive-wear prevention:

Controlling High Abrasive Tool Wear

65% short glass and mineral fibers act as an aggressive grinding agent under high injection pressures. Jucheng’s tooling division prevents cavity erosion by constructing molds with premium hardened tool steel (H13 or S136) heat-treated to 52 HRC, combined with nitriding or PVD wear-resistant ceramic coatings to ensure mold longevity.

Warp-Free Isotropic Shrinkage Control

Because of the mineral fillers, Fortron 6165A6 shrinks extremely low and isotropically (0.20% parallel / 0.50% cross-flow). We utilize 5-axis CNC machines to cut precise mold cavities and balance cooling paths managed by pressurized water controllers, preventing uneven thermal contraction and structural warping.

Pressurized Oil Mold Heating (Crystallization Control)

To secure the proper semi-crystalline phase (preventing surface glass-fibers from floating), mold temperatures must be maintained continuously at 135°C–150°C (275°F to 302°F) using pressurized oil-heating controllers. Cold molds prevent crystallization, resulting in amorphous parts with low chemical resistance and weak structural strength.

Extended Desiccant Pre-Drying Protocol

While PPS absorbs minimal water, moisture causes hydrolytic splay and weld line degradation. We desiccant-dry Fortron 6165A6 resin at 120°C–140°C (248°F–284°F) for 3–4 hours, keeping internal moisture below 0.02% to secure optimal molecular bonds.

Key Application Fields for PPS-Celanese Fortron 6165A6

  • Automotive Lighting & Under-the-Hood (IATF 16949): High-precision lamp reflectors, headlight housings, thermostat covers, water chambers, radiator brackets, and powertrain sensor housings.
  • Electrical Components & Smart Grids: Surface Mount (SMT) micro-bobbins, high-density terminal blocks, smart power meters, high-voltage circuit breakers, and industrial relay sockets.
  • Industrial & Chemical Processing: Heavy-duty pump impellers, water mixing valves, chemical flow meters, boiler heat exchangers, and dynamic pump pistons.

Properties

Density 1.95 g/cm³
Tensile Strength at Break 130 - 135 MPa
Tensile Elongation at Break (DAM) 1.2 %
Flexural Strength 210 MPa
Flexural Modulus 18,800 - 19,000 MPa
Charpy Notched Impact Strength (23°C) 7 kJ/m²
Melting Temperature 280 °C
Heat Deflection Temperature (HDT @ 1.80 MPa) 270 °C
Heat Deflection Temperature (HDT @ 8.00 MPa) 215 °C
Linear Mold Shrinkage (Flow Direction) 0.2 %
Linear Mold Shrinkage (Cross Direction) 0.5 %
Dielectric Strength (3.18mm) 25 kV/mm
Volume Resistivity 1.0E+15 Ohm-cm
Maximum Part Size 800 x 600 mm
Minimum Part Size 1 x 1 mm