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Help CenterPolypropylene QR678K Resin for Automotive Parts With 40% Glass Fiber Reinforcement
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As a specialized manufacturer based in Shanghai, China, Shanghai Yunshan Plasticizing Co., Ltd. proudly introduces our QR678K Polypropylene Resin – engineered with 40% glass fiber reinforcement specifically for demanding automotive applications. This advanced material delivers exceptional mechanical strength and thermal stability, addressing critical performance requirements in modern vehicle components. Our resin enables manufacturers to achieve lighter weight parts without compromising structural integrity, contributing to improved fuel efficiency and vehicle safety standards.
Key Technical Specifications:
| Density | 1.22 g/cm³ |
| Melt Flow Index (230°C/2.16kg) | 12 g/10 min |
| Tensile Strength | 120 MPa |
| Flexural Modulus | 6,500 MPa |
| Heat Deflection Temperature (0.45MPa) | 155°C |
Material Advantages:
Enhanced dimensional stability for precision automotive components
Superior impact resistance at both room and low temperatures
Excellent chemical resistance against automotive fluids
Reduced warpage during injection molding processes
Outstanding fatigue resistance for dynamic load applications
Typical Automotive Applications:
Structural brackets and reinforcements
HVAC system components
Electrical housings and connectors
Under-the-hood components
Interior structural parts
Shanghai Yunshan Plasticizing maintains rigorous quality control protocols throughout our manufacturing process. Our Shanghai-based facility ensures consistent material performance and reliable supply chain management for global automotive manufacturers. The QR678K formulation represents our commitment to developing advanced materials that meet evolving industry requirements while optimizing production efficiency.
FAQ Section
Q: What temperature range can this material withstand?
A: The QR678K resin maintains structural integrity from -30°C to 135°C in continuous service.
Q: Is this material suitable for exterior automotive parts?
A: While primarily developed for structural applications, it can be used for certain exterior components when combined with appropriate UV stabilizers.
Q: What injection molding parameters are recommended?
A: Optimal processing occurs with melt temperatures of 220-260°C and mold temperatures of 60-80°C.
Q: Can the glass fiber content be customized?
A: We offer formulation adjustments with glass fiber content ranging from 30% to 50% upon request.
Q: Does this material meet any automotive industry specifications?
A: It complies with common OEM material standards for interior and under-hood applications.
Q: What packaging options are available?
A: Standard 25kg polywoven bags with moisture barrier protection, with palletization options.
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