EPDM 70, or ethylene propylene diene monomer rubber, is a crucial material widely used in various industries, including automotive, construction, and manufacturing. Its unique properties, such as excellent weather resistance and durability, make it an ideal choice for applications requiring longevity and reliability. Understanding EPDM 70 is essential for professionals seeking to enhance product performance and sustainability.
This guide will delve into the characteristics, production processes, and applications of EPDM 70 in China. Readers can expect to gain insights into market trends, key manufacturers, and the material’s role in innovative solutions. By exploring these aspects, professionals can make informed decisions regarding material selection and application strategies.
Additionally, the guide will cover the environmental impact and recycling potential of EPDM 70, highlighting its importance in sustainable practices. As industries increasingly prioritize eco-friendly materials, understanding the lifecycle and disposal methods of EPDM 70 becomes vital. This knowledge will empower readers to contribute to greener initiatives within their organizations.
A Comprehensive Guide to EPDM 70 Rubber in China
EPDM 70 rubber, a versatile synthetic elastomer, holds a significant position in China’s manufacturing landscape. Its exceptional properties make it ideal for a wide array of applications, from automotive parts to construction materials. This guide delves into the specifics of EPDM 70 rubber in China, exploring its technical features, diverse types, and key manufacturers. Companies like Suzhou Baoshida Rubber (www.rubber-tools.com), Hebei Shida Seal Group (www.shidarubber.com), and Qingdao Liansheng Rubber Co. Limited (www.tradewheel.com) are prominent players in this market, showcasing the breadth and depth of Chinese EPDM 70 production. Hongju Silicone (hongjusilicone.com) also offers a range of EPDM products, demonstrating the industry’s diversification.
Understanding EPDM 70 Rubber
EPDM 70, short for Ethylene Propylene Diene Monomer rubber, is characterized by its 70 Shore A hardness rating. This indicates its relative stiffness and resilience. The “70” signifies its position on the Shore Durometer scale, a measure of hardness for rubbers and plastics. A higher Shore A value represents greater hardness. This specific hardness makes EPDM 70 suitable for applications demanding a balance between flexibility and durability.
Technical Features of EPDM 70 Rubber
The following table highlights the key technical features of EPDM 70 rubber, variations may exist depending on the manufacturer and specific formulation:
| Feature | Typical Value/Property |
|---|---|
| Shore A Hardness | 70 ± 5 |
| Tensile Strength | > 9 MPa |
| Elongation at Break | 350% |
| Density | 1.3 g/cm³ |
| Temperature Range | -40°C to +120°C |
| Chemical Resistance | Excellent resistance to ozone, UV, weathering, many chemicals |
| Compression Set | Low |
Different Types of EPDM Rubber
While the core composition of EPDM 70 remains consistent, variations exist in terms of additives and processing methods. These variations influence the final properties of the rubber, tailoring it for specific applications. The table below illustrates some common variations:
| Type | Key Differences | Typical Applications |
|---|---|---|
| EPDM 70 Dense | High density, good abrasion resistance | Seals, gaskets, weather stripping |
| EPDM 70 Sponge | Cellular structure, good cushioning, insulation | Seals, gaskets, vibration dampening |
| EPDM 70 with Additives | Incorporates fillers (e.g., carbon black) for improved properties | Enhanced resistance to specific chemicals, UV, abrasion |
| EPDM 70 Colored | Pigments added for specific color requirements | Decorative applications, identification purposes |
Key Manufacturers and Suppliers in China
Numerous companies in China specialize in manufacturing and supplying EPDM 70 rubber products. Hebei Shida Seal Group (www.shidarubber.com) is a prominent example, offering a wide range of extruded and molded EPDM 70 products for various industries. Their expertise extends to custom solutions, catering to specific client needs. The website www.shidaprofile.com showcases their capabilities in creating specialized EPDM profiles. Other companies, such as those listed on www.tradewheel.com, provide diverse EPDM 70 options, including sheets and other forms. Hongju Silicone (hongjusilicone.com) is another significant player, offering a comprehensive range of silicone and rubber products, including EPDM 70. Suzhou Baoshida Rubber (www.rubber-tools.com) focuses on providing high-quality EPDM 70 rubber solutions.
Conclusion
EPDM 70 rubber plays a crucial role in diverse sectors across China. Its exceptional properties, combined with the expertise of numerous Chinese manufacturers, ensure a reliable and cost-effective solution for various applications. The industry’s focus on innovation, customization, and quality control makes China a prominent global supplier of EPDM 70 rubber products.
FAQs
1. What are the main advantages of using EPDM 70 rubber over other materials?
EPDM 70 offers superior resistance to heat, ozone, and weathering compared to natural rubber. Its excellent flexibility and elasticity across a wide temperature range also make it a preferred choice for many applications.
2. What are the typical applications of EPDM 70 rubber in China?
Common applications include automotive seals, construction materials (roofing membranes, expansion joints), industrial components (gaskets, hoses), and sports surfaces.
3. How does the manufacturing process of EPDM 70 rubber ensure its quality?
Rigorous quality control measures at each stage, from raw material selection to final product testing, are crucial. These measures ensure consistency and adherence to specified standards.
4. What certifications or standards are commonly associated with EPDM 70 rubber produced in China?
Many Chinese manufacturers achieve ISO certifications (e.g., ISO 9001 for quality management) and adhere to national and international standards for rubber products.
5. Where can I find reliable suppliers of EPDM 70 rubber in China?
Online B2B platforms like www.tradewheel.com list numerous suppliers. Directly contacting manufacturers’ websites, such as www.shidarubber.com or www.rubber-tools.com, is another effective method to find reliable suppliers.