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1.Density: ≈1.45 g/cm³ (only 1/5 that of steel, 1/2 that of aluminum)
2.Tensile strength: ≈180–200 MPa
3.Flexural modulus: ≈10,000–13,000 MPa (high rigidity, anti-deformation)
4.Heat deflection temperature (1.8MPa): ≈200℃ (high temperature resistance in engine compartment)
5. Molding shrinkage: 0.2%–0.5% (extremely high dimensional accuracy)
6.Chemical resistance: resistant to engine oil, fuel, coolant and salt spray
7.Advantages: 30%–50% weight reduction, cost reduction, fatigue resistance and creep resistance。.
II. Typical Applications in Automotive Sector (By System)
1. Engine Compartment Components (Most Common Applications)
Engine brackets / mount brackets: withstand vibration, high load and high temperature
Intake manifold / throttle body: heat resistance, oil resistance and dimensional stability
Engine cover / cylinder head cover: lightweight, sound insulation and high strength
Cooling fan bracket / fan impeller: heat resistance, deformation resistance and fatigue resistance
Water pump / oil pump housing, oil filter base: oil resistance, pressure resistance and wear resistance
Battery tray / fuse box base: high rigidity, insulation and creep resistance
Turbocharger peripheral components: heat aging resistance and vibration resistance
2. Chassis and Suspension System
Chassis control arm / swing arm bracket: high rigidity, resistance to alternating stress and corrosion
Suspension bracket / stabilizer link seat: fatigue resistance and lightweight
Steering system gear housing, bearing housing: wear resistance and high precision
Brake system component brackets: heat resistance and high strength
3. Body Structural Parts
Front-end module frame (front-end skeleton): integrated structure and high rigidity
Bumper skeleton / reinforcement beam: impact resistance, lightweight and energy absorption
Door module frame / door inner panel reinforcements: dimensional stability and weight reduction
Seat frame / seat track / seat belt retainer: high strength and creep resistance
Roof rack base: weather resistance and high strength
4. Interior and Functional Parts
Instrument panel skeleton / center console bracket: high precision and low deformation
Door trim reinforcements, armrest skeleton: good rigidity and lightweight
Shift mechanism base, gears, shift forks: wear resistance and self-lubrication
Seat adjustment gears, transmission parts: fatigue resistance and high precision
5. Fuel and Thermal Management Systems
Fuel tank cap, fuel pump housing, tubing connectors: fuel resistance and stable sealing
Radiator / condenser water chamber, thermostat housing: heat resistance and coolant resistance
Heating system housing, valves: heat aging resistance and dimensional stability
6. New Energy Vehicle (EV) Applications
Motor end cover, controller housing: heat resistance, insulation and high rigidity
Charging port base, high-voltage connector housing: high strength, plugging resistance and insulation
Battery pack upper cover / lower tray bracket: lightweight, impact resistance and flame retardancy
III. Key Advantages of Choosing PA6+GF40
1. Extreme Lightweighting: Up to 50%+ weight reduction compared to steel, improving fuel economy or electric vehicle range.
2.High Rigidity & Anti-Deformation: No creep under long-term load, ensuring assembly precision.
3.High Temperature Resistance: Stable operation between -40°C and 180°C, suitable for engine compartment environments.
4.Chemical Corrosion Resistance: Resistant to oil, water, salt spray, and cleaning agents.
5. Easy Injection Molding: Enables integration of complex structures, reducing welding and assembly steps.
6.Cost Optimization: Lower material and processing costs compared to aluminum or steel.
