EPDM70, or ethylene propylene diene monomer rubber, is a crucial material in various industries, particularly in China, where its applications are rapidly expanding. This guide delves into the properties, manufacturing processes, and diverse uses of EPDM70, emphasizing its significance in automotive, construction, and electrical sectors.
Readers can expect to gain a comprehensive understanding of EPDM70’s unique characteristics, including its durability, weather resistance, and versatility. The guide will also explore market trends, production techniques, and the environmental impact of EPDM70, providing valuable insights for industry professionals and enthusiasts alike.
By the end of this guide, readers will be equipped with the knowledge to make informed decisions regarding the use and application of EPDM70 in their respective fields. Whether you are a manufacturer, engineer, or researcher, this resource will enhance your understanding of this essential material in the Chinese market.
EPDM70: A Comprehensive Guide to this Versatile Rubber Compound
EPDM70, or Ethylene Propylene Diene Monomer rubber with a 70 Shore A hardness, is a versatile synthetic rubber extensively used across diverse industries. Its exceptional properties make it a preferred choice for various applications, from automotive seals to roofing membranes. This guide delves into the technical features, different types, and key considerations for using EPDM70, drawing upon information from leading suppliers like those found on www.rubber-tools.com, www.sourcifychina.com, www.bodiseals.com, therubbercompany.com, and www.jinshunsealing.com.
Comprehensive Insights into EPDM70
EPDM70’s popularity stems from its excellent resistance to weathering, ozone, and UV radiation. This makes it ideal for outdoor applications. Its chemical resistance is also noteworthy, making it suitable for environments with exposure to various chemicals. The material’s flexibility and elasticity across a wide temperature range add to its versatility. The long lifespan and low maintenance requirements contribute to its cost-effectiveness, as highlighted by sources like www.sourcifychina.com. Suppliers such as those on www.rubber-tools.com offer a wide range of EPDM70 products tailored to meet specific client needs.
Technical Features of EPDM70
The following table compares key technical features of EPDM70, showing its performance across different properties. These properties vary slightly depending on the manufacturing process and additives used, as noted by therubbercompany.com.
| Property | Value Range | Units | Notes |
|---|---|---|---|
| Hardness (Shore A) | 65-75 | °A | Standard hardness range; can be adjusted based on application needs. |
| Tensile Strength | 7-12 | MPa | Varies with curing method and additives. |
| Elongation at Break | 200-300 | % | Indicates the material’s flexibility and ability to stretch. |
| Tear Strength | Varies depending on type and formulation. | N/mm | Important for applications involving stress and potential tearing. |
| Heat Resistance | -40°C to +120°C (or higher depending on type) | °C | Dependent on curing method (peroxide or sulphur), as detailed on therubbercompany.com |
| Ozone Resistance | Excellent | A key benefit for outdoor applications. | |
| Chemical Resistance | Varies depending on specific chemicals. | Consult material data sheets for specific chemical compatibilities. |
Different Types of EPDM70
EPDM70 is available in various formulations, each designed to meet specific application requirements. The choice of type depends heavily on the intended use and the operating conditions. www.bodiseals.com, for instance, specializes in peroxide-cured EPDM70 O-rings.
| Type | Key Properties | Applications | Advantages | Disadvantages |
|---|---|---|---|---|
| General Purpose | Good balance of properties | Seals, gaskets, weather stripping | Cost-effective, versatile | May not be suitable for extreme conditions. |
| Heat Resistant | High temperature resistance | Automotive applications, high-temperature seals | Withstands high temperatures without significant degradation. | May have reduced flexibility at lower temperatures. |
| Oil Resistant | Enhanced resistance to oils and greases | Automotive engine seals, hydraulic systems | Prevents swelling and degradation in oily environments. | May have slightly reduced other properties. |
| Food Grade | Meets food safety regulations | Food processing equipment, gaskets for food contact | Safe for food contact applications. | May be more expensive. |
| Electrical Grade | Excellent electrical insulation properties | Cable insulation, electrical components | Provides reliable electrical insulation. | May have different physical properties. |
Concluding Remarks
EPDM70 rubber is a remarkably versatile material with a wide range of applications. Its combination of durability, chemical resistance, and weatherability makes it a cost-effective solution for many industries. Understanding the different types and technical features allows for informed selection to optimize performance and longevity. Sourcing from reliable manufacturers, such as those listed on platforms like www.sourcifychina.com, and utilizing resources such as those found on www.jinshunsealing.com, is key to successful implementation.
FAQs
1. What are the main differences between peroxide-cured and sulphur-cured EPDM70?
Peroxide-cured EPDM70 offers superior heat resistance and stability, making it ideal for high-temperature applications. Sulphur-cured EPDM70 generally exhibits better tensile and tear strength, suitable for physically demanding applications.
2. How is the quality of EPDM70 ensured during manufacturing?
Manufacturers employ rigorous quality control measures throughout the production process, including material testing, process monitoring, and finished product inspection. Certifications such as ISO 9001 further ensure adherence to quality standards.
3. What are the typical applications of EPDM70 in the automotive industry?
In the automotive sector, EPDM70 is commonly used for seals, gaskets, weather stripping, and other components requiring resistance to weathering, chemicals, and temperature fluctuations.
4. What are the environmental considerations related to EPDM70 manufacturing?
Sustainable manufacturing practices focus on minimizing waste, reducing emissions, and utilizing eco-friendly materials and processes. This aligns with the growing industry focus on environmentally responsible production.
5. How can I find a reliable supplier of EPDM70 in China?
Thorough research is essential. Utilize online platforms, attend industry trade shows, and verify supplier credentials, including certifications and customer reviews. Platforms such as www.sourcifychina.com can assist in this process.