Products Description
product advantages
Key Advantages of TPV Material for Sealing Strips
Exceptional Elasticity and Resilience
TPV material for sealing strips maintains excellent compression set resistance, ensuring long-term sealing effectiveness. Its ability to recover quickly after deformation makes it ideal for dynamic applications like automotive door seals and window guides.
Weather and Temperature Resistance
Designed to withstand extreme temperatures (-40°C to +135°C) and harsh UV exposure, our TPV material resists cracking, hardening, and aging. This ensures reliable performance in outdoor applications, from car sunroof seals to building expansion joints.
Eco-Friendly and Low Odor
Compliant with stringent automotive interior air quality (VOC) standards, our TPV material is safe for use in confined spaces, such as vehicle cabins, without compromising comfort or safety.
Easy Processing and Design Flexibility
TPV material for sealing strips can be extruded, co-extruded, or injection-molded, enabling complex geometries and seamless integration with substrates like PP (polypropylene) or glass.
Products Application
Automotive Sector
Applications of TPV Material for Sealing Strips

1
Door and Window Seals
Used in car door weatherstrips and window channels, our
2
Beltline and Wiper Seals
Provides sleek, low-friction surfaces for inner/outer beltline seals and durable wiper blade components.
3
Direct-Glazed Corner Window Seals
Injection-molded TPV strips bond directly to glass, eliminating secondary assembly and enhancing structural integrity.
Construction Sector
Building Sealing Strips
Used in window and door seals, our TPV material prevents air/water infiltration while accommodating structural movements.
Expansion Joints
Offers excellent flexibility and weather resistance for bridges, pavements, and high-rise buildings.

Our TPV material for sealing strips is trusted by global leaders like Volkswagen and Dongfeng Peugeot-Citroën (DPCA) for its:
- Proven Track Record: Successfully implemented in mass-production vehicles and large-scale construction projects.
- Customization Options: Available in a wide hardness range (Shore A 50–90) to meet specific application needs.
- Cost Efficiency: Reduces production waste and simplifies manufacturing with easy processing and recyclability.
Why choose us
- Won the "Second Prize of National Technical Invention"
- No.1 China; No.3 global
- Relying on the vulcanization R&D platform, we have developed more than 500 grades in 10 series
- Every four cars in China use Dawn TPV products
- The only enterprise to master the integrated micro foaming TPV preparation technology in the world
- Our products are widely used in the automotive industry, wires and cables, bathroom products, waterproof membranes, sports flooring, and other fields.
company information
Shandong Dawn Polymer Co., Ltd.
Shandong Dawn Polymer Co., Ltd. (referred as "Dawn Polymer", stock code: 002838) is a national high-tech enterprise specializing in the research and development, production, sales and service of high-performance thermoplastic elastomers, special rubber, modified plastics, functional masterbatches and color masterbatches. It has R&D innovation centers and production bases in Yantai Longkou, Qingdao, Beijing, Shanghai, Chongqing, and other places, the products include TPV, TPE, TPU, HNBR, modified plastics, meltblown materials, biodegradable materials, etc., which are widely used in automobiles, home appliances, new energy, E&E, rail transit, aerospace, medical health care, construction engineering and other fields.
large enterprise scale
Efficient and precise processing and testing equipment.
Standardized Production
Passed ISO9001 certification and obtained relevant patent certificates.
High-Quality Customized Services
Provide the pre-sale material selection, structural design, product matching, after-sales service one-stop solution.

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