PA6GF50

PA6 matrix +50% alkali-free chopped glass fiber (by mass), silane-coupled modification; ultra-high-rigidity, heavy-duty injection molding grade nylon; the top-tier grade in the PA6 fiber-reinforced series; Standard grades include natural off-white and black; custom grades are available, including heat-stable, UL94-V0 flame-retardant, cold-resistant and toughened, and low-fiber-float specialty modified grades. Featuring high strength and ultra-low molding shrinkage, this material widely replaces die-cast aluminum and zinc alloy heavy-duty structural components.

Product Details

Specifications

Category Parameter Value/Description
Density 1.55–1.62 g/cm³
Melting Point 220–222°C
Molding Shrinkage 0.1%–0.3% (longitudinal) and 0.4%–0.6% (transverse); full PA6 fiber-reinforced grades exhibit the lowest shrinkage
Saturated Water Absorption 1.3%–1.6%; water-induced deformation is minimal
Tensile Strength 210–230 MPa
Flexural Strength 330–370 MPa
Flexural Modulus 13,500–17,000 MPa
Notched Impact Strength (Simply Supported Beam) 9–14 kJ/m²; creep resistance, compressive strength, and fatigue resistance are at the upper limits of GF20/30/35; resists deformation under long-term heavy loads
Thermal Deformation Temperature (1.8 MPa) 225–250°C
Thermal Deformation Temperature (0.45 MPa) 245–260°C
Long-Term Continuous Use Temperature 110–140°C
Short-Term Peak Temperature Resistance 250°C; remains stable without softening or warping under high-temperature, continuous-operation conditions in the engine compartment
Media Resistance Resistant to engine oil, gasoline, grease, and weak acids and alkalis
Strong Acid Resistance Not resistant to concentrated strong acids
Insulation Properties Excellent
Environmental Certification Compliant with RoHS and REACH environmental certifications
Other Features Features inherent wear resistance and self-lubricating properties

 

Use Cases of Modified Nylon Particles

  • Automotive / New Energy (Core Business): Engine mounts, oil pan housings, intake manifolds, transmission structural components, high-voltage connector bases for new energy vehicles, load-bearing chassis brackets, fan impellers, and high-temperature load-bearing components for engine peripherals (oil-resistant, high-temperature-resistant, and heavy-duty).

  • Electronics and Electrical Equipment: High-power circuit breaker bases, high-voltage terminal blocks, high-power coil cores, load-bearing housings for variable frequency drives, structural components for charging station nozzles, and insulated brackets for large power supplies (insulation + ultra-high rigidity).

  • General Machinery & Power Tools: Heavy-duty gears, hydraulic pump housings, bearing housings, sprockets, frame structures for high-power angle grinders and impact drills, small heavy-duty connectors for construction machinery, and water pump housings.

  • Other Industries: High-end telescope housings, load-bearing brackets for heavy-duty fitness equipment, structural components for agricultural machinery, high-end pressure-resistant bathroom hardware, and precision load-bearing bodies for robotic vacuum cleaners.

 

应用

 

Core Features of Modified Nylon Particles

  • Extremely low shrinkage and high dimensional accuracy: A 50% glass-fiber 3D skeleton provides an extremely low coefficient of thermal expansion, making these Modified Nylon Particles an excellent choice for precision assemblies and components with stringent dimensional tolerances.

  • Ultra-high-strength, lightweight metal substitute: Significantly lighter than aluminum alloy yet with load-bearing capacity approaching that of light alloys, enabling weight reduction and cost savings for components.

  • Comprehensive range of modification options: Custom grades available, including -40°C cold resistance, V0 flame retardancy, low-fiber-float high-gloss surfaces, and heat-stable, aging-resistant formulations.

  • Creep resistance and fatigue resistance: Minimal dimensional degradation under long-term alternating loads and high-temperature operating conditions, making it suitable for continuously operating mechanical components.

 

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Processing Recommendations

  • Drying: Dehumidify and dry at 85–100°C for 4–6 hours; feed the material only when the moisture content is <0.1% to prevent silver streaks and bubbles;

  • Barrel temperature: 260–290°C; nozzle temperature: 255–275°C;

  • Mold Temperature: 85–100°C to improve surface finish, reduce fiber protrusion, and optimize dimensional stability.

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