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Help Center223R-111 Polycarbonate Granules: UV-Stabilized Grade for Automotive Parts
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As a specialized manufacturer, Shanghai Wenqin Plastics Co., Ltd. provides high-performance 223R-111 Polycarbonate Granules, engineered specifically for demanding automotive applications. Our UV-stabilized grade offers a reliable material solution that combats environmental degradation, ensuring the longevity and aesthetic integrity of automotive components. By focusing on quality and technical support, we deliver granules that meet the precise requirements of part manufacturers seeking durability and cost-efficiency.
This product is formulated to address the unique challenges faced by automotive parts exposed to sunlight and weather. The core value lies in its enhanced resistance to ultraviolet radiation, which prevents yellowing, loss of mechanical properties, and surface cracking. This translates directly into longer service life for parts such as lamp housings, interior trim, and exterior badges, reducing warranty claims and maintenance costs for our clients.
Detailed Product Characteristics & Technical Specifications:
- Material Base: Premium polycarbonate resin, known for its high impact strength, good heat resistance, and transparency.
- UV Stabilization System: Incorporates specific additives that absorb and dissipate UV energy, protecting the polymer chain from photochemical degradation.
- Processing Advantages: The granules are designed for excellent flow characteristics in injection molding machines, allowing for faster cycle times and complex part geometries.
- Consistent Quality: Batch-to-batch consistency in melt flow index and mechanical properties ensures predictable performance in production.
- Color & Appearance: Typically supplied in natural color, but custom color compounding is available upon request to match specific design needs.
- Environmental Compatibility: The formulation considers potential recycling streams within the automotive industry.
A summary of key parameters is provided below:
| Property | Typical Value / Description | Benefit to Customer |
|---|---|---|
| Melt Flow Rate (MFR) | 10-15 g/10min (condition dependent) | Optimizes injection molding speed and pressure. |
| Tensile Strength | ≥ 60 MPa | Provides structural integrity for load-bearing parts. |
| Impact Strength (Notched Izod) | High, characteristic of PC | Resists cracking from sudden impacts or vibrations. |
| Heat Deflection Temperature | > 130 °C | Suitable for parts near engines or in hot climates. |
| UV Resistance Rating | Enhanced, for extended outdoor exposure | Maintains color and mechanical properties over time. |
| Form & Packaging | Uniform granules, 25kg bags or bulk | Easy handling, storage, and automated feeding. |
Advantages and Client Benefits:
- Extended Part Lifespan: UV protection significantly reduces material aging, leading to components that last longer and perform reliably.
- Reduced Maintenance & Replacement Costs: For automotive manufacturers and aftermarket suppliers, this means lower long-term costs and higher customer satisfaction.
- Design Flexibility: The balance of strength, heat resistance, and processability allows engineers to design thinner, lighter, or more complex parts.
- Production Efficiency: Consistent granule quality minimizes processing issues, reduces scrap rates, and improves overall manufacturing yield.
- Supply Chain Support: With ports of shipment in Shanghai and Ningbo, we ensure timely logistics to major markets including North America, Europe, and Southeast Asia.
Trust and Quality Assurance:
Shanghai Wenqin Plastics, established in 2020 and operating with a dedicated team, has built its reputation on a foundation of stringent quality management. Our commitment is reflected in the adherence to recognized management standards such as ISO 9001 for quality and ISO 14000 for environmental management. For the automotive sector, our processes align with the requirements of IATF 16949, demonstrating our focus on automotive industry-specific quality. This systematic approach, combined with our growing experience serving a diverse global market from Eastern Europe to Oceania, provides our clients with confidence in a reliable and professional supply partner. Choosing our 223R-111 UV-Stabilized Polycarbonate Granules means selecting a material backed by a manufacturer dedicated to continuous improvement and customer success.
Frequently Asked Questions (FAQ):
Q1: What exactly does "UV-Stabilized" mean for this polycarbonate grade?
A: It means the granules contain additives that absorb harmful ultraviolet rays from sunlight. This prevents the polymer from breaking down, which typically causes yellowing, brittleness, and loss of gloss. For automotive parts, this is crucial for maintaining appearance and function over years of outdoor exposure.
Q2: Can this material be used for transparent automotive parts like lens covers?
A: Yes, the base polycarbonate has good transparency. The UV stabilizers used are selected to minimize any impact on clarity. However, for critical optical applications, specific testing of light transmission after prolonged UV exposure is recommended.
Q3: How does the UV stabilization affect the processing temperature or molding parameters?
A: The stabilization system is designed to be compatible with standard polycarbonate processing windows. It should not significantly alter the recommended melt temperature or injection pressure. Standard PC processing guidelines can be followed, with slight adjustments possible based on trial runs.
Q4: Is this grade suitable for parts in direct engine compartment exposure?
A: While it has good heat resistance (HDT >130°C), direct contact with extremely high-temperature engine surfaces or fluids may require a higher-temperature grade or additional material evaluation. It is excellent for parts in the vicinity, such as housings, brackets, or interior trim near hot areas.
Q5: Do you provide technical data sheets and support for mold design?
A: Yes, comprehensive technical data sheets detailing mechanical, thermal, and processing properties are available. We also offer general guidance on shrinkage factors and processing tips to assist in mold design, though specific mold engineering should be done by the client's or toolmaker's experts.
Q6: What packaging options are available, and what are the typical lead times?
A: Standard packaging is 25kg sealed bags on pallets. Bulk packaging for larger orders can be arranged. Lead times depend on order quantity and current stock; typically, standard orders can be shipped within 2-4 weeks from ports like Shanghai or Ningbo.
Q7: Can you supply custom-colored granules matching a specific Pantone or RAL code?
A: Custom color compounding is a service we can provide. We require a sample or precise color reference. This involves additional development time and cost, but it is a feasible option for projects requiring exact color matches.
Q8: How does your quality management system benefit me as a buyer?
A: Our documented systems (e.g., ISO 9001) ensure consistent raw material sourcing, controlled production processes, and thorough batch testing. This reduces the risk of receiving off-spec material, which can cause production downtime and defective parts. It provides traceability and a framework for resolving any quality concerns systematically.
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