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Help CenterCovestro PC/ABS T85 Super High Impact Modified PC ABS Raw Material for Auto Exterior Parts
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As a specialized manufacturer in high-performance engineering plastics, Shanghai Yunshan Plasticizing Co., Ltd. proudly presents our Covestro PC/ABS T85, a super high-impact modified raw material engineered specifically for demanding automotive exterior applications. Based in the industrial hub of Shanghai, we combine global material expertise with local manufacturing precision to deliver solutions that enhance durability, aesthetics, and performance. This grade represents a significant advancement in material technology, offering an optimal balance between the toughness of Polycarbonate (PC) and the excellent processability of Acrylonitrile Butadiene Styrene (ABS). It is designed to meet the rigorous challenges of modern vehicle design, where components must withstand impact, weathering, and maintain a flawless appearance over the vehicle's lifespan.
This PC/ABS alloy is not just another plastic; it is a tailored solution for parts that face the harshest conditions. Below are its defining characteristics and the tangible benefits they bring to manufacturers and end-users.
Exceptional Impact Resistance: The "Super High Impact" designation is core to the T85 grade. It incorporates advanced impact modifiers that significantly increase the material's ability to absorb energy without cracking or breaking, even at low temperatures. This is critical for exterior parts like bumper fascias, wheel arch liners, and mirror housings, which are prone to minor collisions, stone chips, and hailstorms.
Superior Surface Quality & Paintability: The material formulation ensures excellent surface finish directly from the mold, reducing the need for extensive post-processing. It exhibits outstanding adhesion for automotive-grade paints and coatings, allowing for seamless integration into multi-layer painting systems and ensuring a durable, glossy, and color-stable finish that resists chipping and fading.
Enhanced Weathering and UV Stability: Automotive exteriors are constantly exposed to sunlight, rain, and temperature fluctuations. Covestro PC/ABS T85 is modified to resist UV degradation, preventing yellowing, embrittlement, and loss of mechanical properties over time. This ensures the part retains its structural integrity and aesthetic appeal for years.
Excellent Dimensional Stability: The material maintains its shape and size under various thermal and load conditions. This is vital for ensuring proper fit and function of assembled parts, preventing warping or distortion that could lead to gaps, rattles, or malfunction.
Good Chemical Resistance: It resists attack from common automotive fluids such as gasoline, oils, and cleaning agents, protecting the component's appearance and performance during everyday use and maintenance.
Balanced Flow and Processing Ease: While offering PC-like performance, it processes with the ease of ABS. This results in shorter cycle times, lower energy consumption during injection molding, and the ability to fill complex, thin-walled geometries essential for modern, aerodynamic designs.
Key Technical Specifications at a Glance:
| Property | Test Method | Typical Value | Unit |
| Notched Izod Impact Strength (23°C) | ISO 180 | ≥ 50 | kJ/m² |
| Tensile Strength at Break | ISO 527 | 50 - 55 | MPa |
| Flexural Modulus | ISO 178 | 2200 - 2400 | MPa |
| Heat Deflection Temperature (1.8 MPa) | ISO 75 | 95 - 105 | °C |
| Melt Volume Rate (MVR, 260°C/5kg) | ISO 1133 | 15 - 25 | cm³/10min |
| Density | ISO 1183 | 1.12 - 1.14 | g/cm³ |
The advantages of choosing our Covestro PC/ABS T85 translate directly into value for your production and your final product:
For OEMs & Tier 1 Suppliers: Enables the design of lighter, more complex parts that meet stringent safety (impact) and durability standards, potentially replacing more expensive materials or metal components.
For Molders: Improves production efficiency with easier processing, higher yield rates, and reduced scrap due to its excellent flow and stability.
For End Consumers: Contributes to vehicles with higher perceived quality, better durability against minor impacts, and longer-lasting aesthetics.
Shanghai Yunshan Plasticizing Co., Ltd. operates with a commitment to quality and reliability. We provide consistent material performance batch after batch, backed by technical support to help optimize your molding parameters for this grade. By sourcing this high-performance raw material from us, you are not just purchasing plastic; you are investing in a partnership that ensures your automotive exterior components are built to last, perform flawlessly, and meet the evolving demands of the global automotive industry. Let us help you enhance your next project with a material engineered for excellence.
Frequently Asked Questions (FAQ)
Q: What exactly makes the T85 grade "super high impact" compared to standard PC/ABS?
A: The T85 grade incorporates specialized impact modifiers at a higher loading level and utilizes a optimized polymer blend morphology. This significantly enhances its energy absorption capability, particularly in notched impact tests, making it suitable for parts where extreme toughness is a primary requirement.Q: Is this material suitable for painting with online automotive paint systems?
A: Yes, Covestro PC/ABS T85 is specifically formulated for excellent paint adhesion. It is compatible with common automotive primer and topcoat systems. We recommend conducting adhesion tests with your specific paint process to confirm optimal results.Q: Can it withstand long-term exposure to sunlight without degrading?
A: This grade includes stabilizers to resist UV degradation. While it performs well, for parts requiring maximum weatherability over extended periods (10+ years), additional UV-protective coatings or the use of pre-colored, UV-stabilized compounds is often recommended.Q: What are the typical injection molding parameters for this material?
A: A general starting point includes a melt temperature of 250-270°C and a mold temperature of 60-80°C. Drying before processing is essential, typically at 80-90°C for 3-4 hours. Our technical team can provide detailed processing guidelines based on your specific part geometry and machine.Q: Is it available in colors other than natural?
A: Yes, while commonly supplied in natural, it can be custom compounded into a wide range of standard or matched colors. Black is a very common option for automotive trim. Color matching services are available upon request.Q: How does it compare to pure Polycarbonate (PC) for exterior parts?
A: While PC offers very high impact strength and heat resistance, it can be more difficult to process and is susceptible to stress cracking. PC/ABS T85 offers a better balance: high impact (though slightly lower than top-tier PC), easier processing, lower cost, and inherent resistance to stress cracking, making it a preferred choice for many large, complex exterior components.Q: What automotive exterior parts is it most commonly used for?
A> Its primary applications include bumper fascias (especially in areas requiring high impact), grilles, wheel arch liners, mirror housings, lower body side claddings, and various trim pieces that require a combination of toughness, good appearance, and paintability.Q: Do you provide material data sheets and samples for testing?
A: Absolutely. We can provide comprehensive technical data sheets (TDS) and are happy to arrange sample quantities for your in-house evaluation, mold trials, and performance testing to validate its suitability for your application.
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