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Help CenterWeatherproof TPE Pellets SO-249-70A-T2, 70A Flexible for Injection Applications
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As a specialized manufacturer of high-performance polymer compounds, Shanghai Yunshan Plasticizing Co., Ltd. is proud to introduce our SO-249-70A-T2 Weatherproof TPE Pellets. Engineered in our Shanghai facility, this grade is specifically formulated to deliver superior flexibility and exceptional durability against environmental factors, making it an ideal material for demanding injection molding applications. We understand the challenges faced by manufacturers in producing parts that must perform reliably outdoors or in harsh conditions, which is why we developed this TPE compound to offer a robust combination of weather resistance and easy processing. Our commitment to quality ensures that every batch of SO-249-70A-T2 provides consistent performance, helping you achieve reliable production outcomes and enhance the longevity of your final products.
Our Weatherproof TPE Pellets are designed to meet the needs of various industrial sectors. The material's core characteristics stem from its carefully balanced formulation.
Superior Weather and UV Resistance: The SO-249-70A-T2 grade is compounded to withstand prolonged exposure to sunlight, ozone, rain, and temperature fluctuations without significant degradation in physical properties or appearance. This prevents cracking, chalking, or loss of elasticity in outdoor applications.
Consistent 70A Hardness: With a Shore A hardness of 70, this TPE offers a perfect balance between softness and structural integrity, providing a comfortable feel with sufficient support for functional parts.
Excellent Flexibility and Elastic Recovery: The material exhibits high elongation and can return to its original shape after deformation, which is crucial for seals, gaskets, and flexible components.
Optimized for Injection Molding: The pellet form ensures smooth feeding, melting, and flow within the injection molding machine. It allows for fast cycle times, good mold filling, and the production of complex geometries with fine details.
Good Chemical Resistance: It demonstrates resistance to many common chemicals, water, and mild cleaning agents, broadening its suitability for automotive under-hood components, consumer goods, and industrial seals.
Wide Processing Window: The compound is designed to be forgiving within a range of processing temperatures and pressures, contributing to manufacturing efficiency and reducing scrap rates.
The technical performance of SO-249-70A-T2 makes it a versatile choice. Below is a summary of key specifications:
For manufacturers, the advantages of using our TPE pellets translate into direct benefits. The ease of processing reduces energy consumption and machine wear. The material consistency minimizes quality variations in production runs. The enhanced weatherproofing extends the service life of end-products, reducing warranty claims and improving brand reputation. This TPE can be a direct replacement for more expensive or less durable materials like certain PVCs or lower-grade rubbers, offering a cost-effective performance solution.
Shanghai Yunshan Plasticizing leverages its expertise in polymer compounding to deliver materials that manufacturers can trust. Our production processes are geared towards achieving high levels of batch-to-batch consistency, ensuring that your injection molding operations run smoothly with predictable results. The development of the SO-249-70A-T2 grade is a direct response to market needs for durable, flexible materials. By choosing our weatherproof TPE pellets, you are not just purchasing a raw material; you are investing in a solution that enhances product durability, simplifies manufacturing, and can provide a competitive edge in markets where longevity is valued. We encourage you to contact us to discuss your specific application requirements, request samples for testing, or learn more about how this material can benefit your production line.
Frequently Asked Questions (FAQ)
Q1: What is the primary advantage of the "weatherproof" feature in this TPE?
A1: The weatherproof formulation provides enhanced resistance to ultraviolet (UV) light, ozone, moisture, and temperature extremes. This prevents the material from becoming brittle, fading, or cracking when used in outdoor applications, significantly extending the product's usable life.
Q2: Is this TPE grade suitable for overmolding onto rigid plastics like PP or ABS?
A2: Yes, the SO-249-70A-T2 is designed with adhesion properties that can bond well with various substrates, including polypropylene (PP) and ABS. We recommend testing with your specific rigid material to confirm adhesion performance for your application.
Q3: What are the recommended drying conditions before processing?
A3: Although TPEs are generally less hygroscopic than some engineering plastics, we recommend drying the pellets at 70-80°C (158-176°F) for 2-4 hours prior to injection molding to ensure optimal processing and surface quality, especially in humid environments.
Q4: Can the color of these pellets be customized?
A4: Absolutely. While we offer standard natural or black colors, custom color matching is available upon request. We can compound specific pigments to meet your exact color requirements for brand consistency or aesthetic purposes.
Q5: How does the 70A hardness compare in terms of feel and application?
A5: A Shore A hardness of 70 is considered a medium-soft flexibility. It feels somewhat firm yet pliable, similar to a pencil eraser. This makes it suitable for applications requiring a soft touch, good grip, and sealing capability without being too mushy, such as tool handles, seals, and flexible connectors.
Q6: What is the typical injection molding temperature range for this material?
A6: The recommended melt temperature range is typically between 180°C and 210°C (356°F - 410°F). However, the optimal settings can vary based on the specific part geometry and mold design. Our technical datasheet provides detailed guidelines.
Q7: Is this material recyclable or regrind compatible?
A7: Yes, as a thermoplastic material, it can be recycled. Clean regrind from sprues and runners can often be reintroduced into the production process at a controlled percentage (e.g., 10-20%) without significantly compromising key properties, subject to validation for your specific part.
Q8: Do you provide technical support or material data sheets (MDS)?
A8: Yes, we provide comprehensive technical data sheets for all our grades, including SO-249-70A-T2. Our technical team is also available to offer support regarding processing parameters, application suitability, and troubleshooting.
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