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As a specialized manufacturer in advanced engineering plastics, Shanghai Yunshan Plasticizing Co., Ltd. proudly presents our PC/ABS T85 High Heat Resistance Grade, a material engineered to meet the rigorous demands of modern automotive interiors. Located in the industrial hub of Shanghai, we combine precise formulation with stringent quality control to deliver a polymer solution that excels where standard materials fall short. This grade is specifically designed to withstand the elevated temperatures encountered inside vehicles, preventing warping, gloss change, and mechanical property loss, thereby ensuring long-term component integrity and aesthetic appeal.
The core value of our PC/ABS T85 lies in its balanced property profile. It inherits the excellent impact strength and processability of ABS, while the PC component contributes superior heat resistance and rigidity. This synergy creates a material that is not only tough and durable but also capable of maintaining its shape and performance under thermal stress, making it an ideal, cost-effective alternative to more expensive high-temperature plastics for many interior applications.
Detailed Product Characteristics & Technical Advantages:
Our PC/ABS T85 is formulated to address the specific challenges of automotive interior parts, which are increasingly subjected to heat from sunlight, electronics, and powertrain components. The material's enhanced thermal stability directly translates to benefits for manufacturers and end-users alike.
- Superior Thermal Performance: The "T85" designation indicates a high heat deflection temperature, allowing components to resist deformation at temperatures that would cause standard PC/ABS to soften. This is critical for parts like dashboard substrates, center console frames, and door panel supports.
- Excellent Mechanical Properties: Maintains good impact strength and stiffness across a wide temperature range, contributing to passenger safety and component durability.
- Enhanced Dimensional Stability: Low coefficient of thermal expansion minimizes size changes with temperature fluctuations, ensuring consistent fit and finish of assembled interior modules.
- Good Processability: Designed for efficient injection molding with a wide processing window, leading to shorter cycle times, lower energy consumption, and high production yields.
- Surface Quality & Paintability: Provides a smooth surface finish suitable for painting, plating, or applying textured films without defects like splay or silver streaks, meeting Class-A surface requirements where needed.
- Regulatory Compliance Potential: Can be formulated to meet specific automotive industry standards for flame retardancy and low VOC emissions upon request, supporting your compliance needs.
Technical Specifications Overview:
| Property | Test Method | Typical Value | Unit |
| Heat Deflection Temperature (HDT) | ASTM D648 @ 1.8 MPa | 115 - 125 | °C |
| Tensile Strength at Break | ASTM D638 | 55 - 65 | MPa |
| Notched Izod Impact (23°C) | ASTM D256 | 400 - 550 | J/m |
| Melt Flow Rate (MFR) | ASTM D1238 | 15 - 25 (260°C/5kg) | g/10 min |
| Density | ASTM D792 | ~1.15 | g/cm³ |
Benefits for Your Automotive Projects:
- Reliability in Harsh Conditions: Ensures interior components do not warp or sag in hot climates or when exposed to direct sunlight, preserving vehicle aesthetics and functionality.
- Design Freedom: Enables the design of larger, more complex interior parts with thinner walls due to its good flow and stiffness, contributing to weight reduction.
- Cost-Effectiveness: Offers a favorable balance between performance and price compared to specialty high-heat plastics, helping to manage overall project costs without compromising quality.
- Manufacturing Efficiency: Its consistent quality and good molding characteristics reduce scrap rates, downtime, and post-processing needs, streamlining your production line.
Frequently Asked Questions (FAQ):
Q1: What does "T85" specifically mean in the grade name?
A1: The "T85" typically refers to a heat resistance grade with a Heat Deflection Temperature (HDT) in the range of 115-125°C under a load of 1.8 MPa. It signifies a material formulated for applications requiring sustained performance at elevated temperatures.
Q2: Is this material suitable for exterior automotive parts?
A2: This T85 grade is primarily optimized for interior applications. For exterior parts, factors like UV resistance, weatherability, and potentially different thermal cycles become more critical. We offer other modified grades suitable for exterior trim upon inquiry.
Q3: Can it be used for parts in direct contact with airbags?
A3: For components in direct contact with or in the deployment path of airbags, specific and stringent material certifications are required. While our base resin has good properties, such critical safety applications require dedicated, tested formulations. Please consult with us for your specific safety-related requirements.
Q4: What colors are available, and is coloring consistent?
A4: We supply natural (off-white) pellets as standard. Custom coloring with masterbatches is a common and reliable process for PC/ABS. We can provide pre-colored materials or work with your masterbatch supplier to ensure consistent, heat-stable color matching for your interior components.
Q5: How does it compare to pure PC or ABS in terms of cost and performance?
A5: PC/ABS T85 offers a balanced compromise. It is generally more cost-effective than high-heat PC grades while providing significantly better heat resistance and toughness than standard ABS. It avoids some of the processing challenges of pure PC, making it a versatile and economical choice for many interior parts.
Q6: What are the recommended drying conditions before processing?
A6: Like most engineering plastics, PC/ABS is hygroscopic. We recommend drying at 80-90°C (176-194°F) for 2-4 hours prior to molding to prevent moisture-related defects like splay or hydrolysis, which can degrade molecular weight and properties.
Q7: Is this material recyclable or contain recycled content?
A7: PC/ABS is technically recyclable. Our standard T85 grade is produced from virgin materials to ensure consistent, high performance. We can discuss options for grades with post-industrial recycled content based on your sustainability goals and performance requirements.
Q8: What is the typical lead time and packaging?
A8: Standard grades are typically available from stock or with short lead times. Material is packaged in 25 kg moisture-proof bags on pallets, ensuring clean and safe delivery. Custom formulations or large volumes may have specific lead times we can confirm upon order inquiry.
Backed by the manufacturing expertise of Shanghai Yunshan Plasticizing Co., Ltd., our PC/ABS T85 is produced under controlled conditions to ensure every batch meets the high standards demanded by the automotive supply chain. Our location in Shanghai provides strategic logistical advantages for serving both domestic and international automotive manufacturers and tier suppliers. We understand that material consistency is non-negotiable in automotive production, and we stand behind the reliability of our products.
Choosing our high heat resistance PC/ABS grade means selecting a partner committed to providing a material that enhances the durability, quality, and performance of your automotive interior components. Let us help you mitigate the risks associated with thermal failure and elevate the standard of your interior assemblies. Contact us today to request samples, detailed technical data sheets, or to discuss how this material can be tailored to your specific application challenges.
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