Material Selection for Different Automotive Components

Automotive components across various systems achieve performance optimization and functional upgrading by adapting to different types of modified plastics. The specific applications are as follows:

1. Exterior System

• Bumpers: Use reinforced and toughened modified PP. Through composite modification with elastomers and inorganic fillers, impact resistance is significantly improved. It also meets the requirements of high toughness, high fluidity, and spray-free finish, adapting to complex molding and appearance needs.
• Mudguards & Exterior Structural Parts: Adopt modified PP. Performance is enhanced through processes such as filling and blending, enabling resistance to erosion from complex outdoor environments like sun exposure and rain.
• Automotive Lamp Components: Prioritize modified PA (mainly PA6 and PA66). Relying on its excellent heat resistance and weather resistance, it ensures the structural and performance stability of lamps under high-temperature operating conditions.
• Air Intake Grilles & Radiator Grilles: Use ABS/PC alloy. It integrates the advantages of good fluidity, low-temperature impact resistance, and heat distortion temperature of the material, significantly improving the weather resistance and structural strength of the grilles.

2. Interior System

• Instrument Panels, Door Panels & Pillar Guards: Utilize low-VOC scratch-resistant modified PP/EPDM+TD20. By adding silicone and amide-based scratch-resistant agents, it not only enhances the scratch resistance of interior parts but also reduces volatile organic compound emissions, balancing environmental protection and practicality.
• Center Consoles & Decorative Panels: Adopt electroplated PC/PBT, PC/PBT+GF, and other materials. After blending modification, rigidity and heat resistance are improved, adapting to the processing needs of complex shapes of center consoles.
• Seat System Accessories: Choose modified PP or reinforced PA. Lightweight design is achieved through glass fiber reinforcement technology, while maintaining the support and durability required for seats.
• Interior Lighting & Gear Shifter Covers: Use electroplated ABS, PC/ABS, and other materials. Surface treatment processes enhance the decorative texture and grip feel of the components.

3. Engine Peripheral System

• Intake Manifolds: Use GFPA6 (glass fiber-reinforced PA6) or GFPA66. Nylon materials, with their high strength and heat resistance, replace traditional metals, reducing component weight and improving air intake efficiency.
• Engine Covers, Decorative Covers & Cylinder Head Covers: Adopt modified PA. After glass fiber reinforcement, weight can be reduced by 50% and cost by 30%, while maintaining sufficient rigidity and heat resistance to adapt to the high-temperature environment of the engine compartment.
• Cooling Fan Frames: Use modified PP. Enhanced toughness treatment improves the material’s heat aging resistance, enabling long-term tolerance to high-temperature operating conditions in the engine compartment.
• Foot Pedals & Hoods: Adopt glass fiber-reinforced modified PA. Leveraging the high strength and wear resistance of nylon, it enhances the durability and safety of the components.

4. Functional Component System

• Fuel Tanks: Select high-flame-retardant modified plastics (such as flame-retardant PC/ABS alloy). Fire resistance is improved by adding special flame retardants, strictly meeting the safety standards for fuel tanks.
• Lamp Brackets & Connectors: Use flame-retardant reinforced nylon. Utilizing the heat resistance and flame retardancy of nylon, it ensures the safety of the lamp system under special conditions such as high temperatures and short circuits.
• Battery Casings & Brackets (for New Energy Vehicles): Use flame-retardant modified PA6. Modified through a composite system of halogen-based flame retardants and antimony trioxide, the material’s flame-retardant grade reaches UL94 V-0, fully adapting to the high safety requirements of battery systems.