In recent years, the demand for high-performance materials in various industries has surged, making Sumitomo EPDM 512E a crucial topic of discussion in China. This synthetic rubber is renowned for its exceptional durability, weather resistance, and versatility, making it ideal for applications ranging from automotive to construction. Understanding its properties and applications is essential for manufacturers and engineers alike.
This guide will delve into the unique characteristics of Sumitomo EPDM 512E, exploring its chemical composition and performance benefits. Readers will gain insights into its manufacturing processes, quality standards, and the specific advantages it offers in the Chinese market. By the end of this guide, you will be equipped with the knowledge to make informed decisions regarding the use of this innovative material in your projects.
Comprehensive Guide to Sumitomo EPDM 512E
Sumitomo EPDM 512E is a specialized type of Ethylene Propylene Diene Rubber (EPDM) that is widely used in various industrial applications. This non-oil grade rubber is known for its excellent processability, high green strength, and outstanding physical properties. It is particularly suitable for products manufactured through extrusion processes, such as hoses, gaskets, and wire and cable applications. This guide will delve into the technical features, applications, and differences between various types of EPDM, providing a thorough understanding of Sumitomo EPDM 512E.
Technical Features of Sumitomo EPDM 512E
Sumitomo EPDM 512E is characterized by several key technical features that make it a preferred choice in the rubber industry. Below is a comparison table highlighting its typical properties:
| Property | Value | Unit | Method |
|---|---|---|---|
| Ethylene Content | 68 | wt% | ASTM D3900 |
| ENB Content | 5.0 | wt% | ASTM D6047 |
| ML (1+4) at 125°C | 64 | MU | ASTM D1646 |
| Green Strength | High | – | – |
| Dimensional Stability | Good | – | – |
| Processability | Excellent | – | – |
These properties indicate that Sumitomo EPDM 512E is not only versatile but also reliable for various applications, ensuring that products maintain their integrity and performance over time.
Applications of Sumitomo EPDM 512E
The applications of Sumitomo EPDM 512E are diverse, making it suitable for numerous industries. It is primarily used in:
– General Industrial Products: Ideal for hoses and gaskets due to its excellent processability.
– Wire and Cable Applications: Provides insulation and protection in electrical components.
– Transfer and Injection Mouldings: Suitable for creating complex shapes and designs in rubber products.
The versatility of this material allows it to be blended with diene-type rubber, enhancing its performance in various applications.
Differences Between Types of EPDM
While Sumitomo EPDM 512E is a prominent choice, there are other types of EPDM available in the market. Below is a comparison table that outlines the differences between Sumitomo EPDM 512E and another common type, Sumitomo EPDM 552E:
| Type | C2 Content | Viscosity | Application |
|---|---|---|---|
| Sumitomo EPDM 512E | High | Medium | Hoses, gaskets, wire and cable |
| Sumitomo EPDM 552E | Very High | High | High filler and oil loading formulations |
The key differences lie in the C2 content and viscosity, which influence their respective applications and performance characteristics.
Storage and Handling
Proper storage and handling of Sumitomo EPDM 512E are crucial to maintaining its quality. It is supplied in 25kg bales within steel boxes. The recommended storage conditions include:
– Well-Ventilated Facility: Protects the material from moisture and temperature fluctuations.
– Avoid Direct Sunlight: Prevents degradation of the rubber properties.
– Shelf Life: Recommended for up to 18 months from the Certificate of Analysis (CoA) date.
Moisture accumulation can occur if there are significant fluctuations in ambient temperature and high humidity. It is advisable to dry the resin before use if moisture is detected.
Regulatory Compliance
Sumitomo EPDM 512E complies with various regulatory standards, ensuring its safety and reliability for industrial applications. The manufacturer, Rabigh Refining & Petrochemical Co. (Petro Rabigh), is in the process of obtaining certifications for ISO 9001, ISO 14001, and OHSAS 18001. Additionally, the product adheres to the EU Directive 2011/65/EC regarding the restriction of hazardous substances.
Environmental Considerations
SCA prioritizes environmental management in all operations, emphasizing responsibility towards the community and the environment. Disposal of Sumitomo EPDM 512E must comply with local and regional environmental protection regulations. This commitment to sustainability is reflected in the company’s practices and product offerings.
Conclusion
Sumitomo EPDM 512E is a versatile and reliable material that meets the demands of various industrial applications. Its excellent processability, high green strength, and compliance with regulatory standards make it a preferred choice for manufacturers. Understanding its technical features and applications 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 primarily used in general industrial products, wire and cable applications, and transfer and injection mouldings.
2. How should Sumitomo EPDM 512E be stored?
It should be stored in a well-ventilated facility, protected from moisture, direct sunlight, and temperature fluctuations.
3. What are the key properties of Sumitomo EPDM 512E?
Key properties include high ethylene content, excellent processability, high green strength, and good dimensional stability.
4. Is Sumitomo EPDM 512E environmentally friendly?
Yes, SCA prioritizes environmental management, and disposal must comply with local environmental regulations.
5. Where can I find more information about Sumitomo EPDM 512E?
For more information, you can visit the official websites such as www.sumitomo-chem.com.sg and www.sumitomo-chemical.eu.