EPDM 512, a versatile synthetic rubber, plays a crucial role in various industries, particularly in China’s booming manufacturing sector. Its unique properties, such as excellent weather resistance and durability, make it an essential material for applications ranging from automotive components to roofing systems. Understanding EPDM 512 is vital for professionals seeking to enhance product performance and longevity.
In this comprehensive guide, readers will explore the characteristics, production processes, and applications of EPDM 512. We will delve into its advantages over other materials, providing insights into why it is favored in many industries. Additionally, the guide will cover market trends and future prospects, equipping readers with the knowledge to make informed decisions in their respective fields.
Comprehensive Guide to Sumitomo EPDM 512E
Introduction
Sumitomo EPDM 512E is a high-performance ethylene propylene diene rubber (EPDM) that is widely used in various industrial applications. Known for its excellent processability and outstanding physical properties, this non-oil grade rubber is suitable for a range of applications, including hoses, gaskets, and wire and cable insulation. This guide will delve into the technical features, applications, and different types of EPDM, providing a comprehensive understanding of this versatile material.
Technical Features of Sumitomo EPDM 512E
Sumitomo EPDM 512E is characterized by several key technical features that make it a preferred choice in the industry. Below is a comparison table highlighting its typical properties:
| Property | Value | Unit | Test Method |
|---|---|---|---|
| Ethylene Content | 68 | wt% | ASTM D3900 |
| ENB Content | 5.0 | wt% | ASTM D6047 |
| Mooney Viscosity (ML 1+4) | 64 | MU | ASTM D1646 |
| Specific Gravity | 0.87 | g/cm³ | ASTM D792 |
| Shelf Life | Up to 18 months | – | – |
| Processing Methods | Extrusion, Molding | – | – |
These properties indicate that Sumitomo EPDM 512E offers excellent green strength, dimensional stability, and compatibility with diene-type rubbers, making it suitable for various manufacturing processes.
Applications of Sumitomo EPDM 512E
The applications of Sumitomo EPDM 512E are diverse, owing to its unique properties. It is primarily used in:
– General Industrial Products: Ideal for hoses and gaskets due to its durability and flexibility.
– Wire and Cable Insulation: Provides excellent electrical insulation properties.
– Transfer and Injection Mouldings: Suitable for complex shapes and designs.
– Automotive Components: Used in seals and gaskets for vehicles.
The versatility of EPDM 512E makes it a valuable material in many sectors, including automotive, construction, and electrical industries.
Differences in Types of EPDM
EPDM rubber comes in various grades and formulations, each tailored for specific applications. Below is a comparison table of different types of EPDM:
| Type | Characteristics | Applications |
|---|---|---|
| Sumitomo EPDM 512E | Non-oil grade, high green strength | Hoses, gaskets, wire insulation |
| Royalene 512 | General-purpose, good weathering characteristics | Automotive parts, building materials |
| Royalene 512-EPDM | Medium molecular weight distribution, fast curing | Extruded profiles, molded products |
| EPDM with Oil | Enhanced flexibility, lower cost | General industrial applications |
Each type of EPDM has its unique features, making it suitable for specific applications. For instance, while Sumitomo EPDM 512E is ideal for high-performance applications, Royalene 512 is more suited for general-purpose use.
Storage and Handling
Proper storage and handling of Sumitomo EPDM 512E are crucial to maintain its properties. It is supplied in 25kg bales and should be stored in a well-ventilated area, protected from moisture, sunlight, and extreme temperatures. Fluctuations in temperature can lead to moisture accumulation, which may affect the resin’s quality. It is advisable to dry the resin before use if moisture is detected.
Regulatory Compliance
Sumitomo EPDM 512E complies with various regulatory standards, including ISO certifications. The manufacturer, Rabigh Refining & Petrochemical Co. (Petro Rabigh), is in the process of obtaining ISO 9001, ISO 14001, and OHSAS 18001 certifications. This commitment to quality ensures that the product meets industry standards for safety and environmental management.
Environmental Considerations
SCA prioritizes environmental management in its operations. The disposal of Sumitomo EPDM 512E must comply with local and regional environmental protection regulations. The company emphasizes responsible practices to minimize environmental impact, ensuring that the product is safe for both users and the environment.
Conclusion
Sumitomo EPDM 512E is a versatile and high-performance rubber that meets the demands of various industrial applications. Its excellent properties, combined with a commitment to quality and environmental responsibility, make it a preferred choice for manufacturers. Understanding the technical features and applications of this material can help businesses make informed decisions when selecting materials for their products.
FAQs
1. What is Sumitomo EPDM 512E used for?
Sumitomo EPDM 512E is used in various applications, including hoses, gaskets, wire insulation, and automotive components due to its excellent physical properties.
2. How should Sumitomo EPDM 512E be stored?
It should be stored in a well-ventilated area, protected from moisture, sunlight, and extreme temperatures to maintain its quality.
3. What are the key properties of Sumitomo EPDM 512E?
Key properties include 68 wt% ethylene content, 5.0 wt% ENB content, and a Mooney viscosity of 64 MU, indicating its excellent processability.
4. Is Sumitomo EPDM 512E environmentally friendly?
Yes, SCA prioritizes environmental management, and the disposal of 512E must comply with local environmental regulations.
5. Where can I find more information about Sumitomo EPDM 512E?
More information can be found on the official website www.sumitomo-chem.com.sg and other related platforms like www.scribd.com, wx.defu123.com, and www.knowde.com.