Buna N nitrile rubber, a synthetic polymer, plays a crucial role in various industries due to its excellent resistance to oils, fuels, and chemicals. As China emerges as a global leader in rubber production, understanding Buna N’s properties and applications becomes essential for manufacturers and consumers alike. This guide delves into the significance of Buna N in the Chinese market, exploring its production processes, applications, and future trends.
Readers can expect to gain comprehensive insights into the characteristics that make Buna N a preferred choice in automotive, aerospace, and industrial sectors. The guide will cover the manufacturing landscape in China, highlighting key players and innovations driving the industry forward. Additionally, we will discuss the environmental considerations and sustainability efforts associated with Buna N production, ensuring a well-rounded understanding of its impact.
By the end of this guide, readers will be equipped with valuable knowledge about Buna N nitrile rubber, enabling informed decisions in sourcing, application, and innovation. Whether you are a manufacturer, supplier, or industry enthusiast, this exploration will enhance your understanding of this vital material in the context of China’s dynamic rubber industry.
Comprehensive Guide to Buna-N Nitrile Rubber in China
Buna-N nitrile rubber, also known as NBR (Nitrile Butadiene Rubber), is a synthetic rubber widely used in various industrial applications due to its excellent mechanical properties and resistance to oils and fuels. In China, manufacturers like Savvy Rubber, Kaxite Rubber, and others produce a range of NBR products, including O-rings, gaskets, and sheets. This guide will delve into the technical features, types, and applications of Buna-N nitrile rubber, providing a comprehensive overview for those interested in this versatile material.
Technical Features of Buna-N Nitrile Rubber
Buna-N nitrile rubber is characterized by its unique properties, making it suitable for various applications. Below is a comparison table highlighting its key technical features:
| Feature | Description |
|---|---|
| Material Composition | Copolymer of acrylonitrile and butadiene |
| Temperature Range | -40 °C to 120 °C (-40 °F to 248 °F) |
| Durometer Hardness | Shore A 40-90 (Standard: Shore A 70) |
| Color | Typically black; custom colors available |
| Cross Section Shape | Round, square, rectangular, custom shapes available |
| Chemical Resistance | Excellent resistance to oils, fuels, and solvents |
| Shelf Life | 5 to 10 years |
| Applications | Used in automotive, aerospace, and industrial sectors |
Types of Buna-N Nitrile Rubber
Buna-N nitrile rubber comes in various forms, each tailored for specific applications. The following table outlines the different types of Buna-N products available in the market:
| Type | Description |
|---|---|
| NBR O-Rings | Used for sealing applications in engines, pumps, and hydraulic systems. |
| NBR Sheets | Versatile sheets used for gaskets, seals, and protective coverings. |
| NBR Gaskets | Custom gaskets designed for specific applications, providing excellent sealing. |
| NBR Cords | Used for custom sealing solutions in various industrial applications. |
| NBR Foam | Lightweight and flexible, used for insulation and cushioning applications. |
Insights into Applications
Buna-N nitrile rubber is extensively used in various industries due to its excellent properties. In the automotive sector, it is commonly used for fuel hoses, gaskets, and seals. In the aerospace industry, its resistance to high temperatures and fuels makes it ideal for aircraft components. Additionally, it is used in manufacturing hydraulic seals and gaskets for industrial machinery.
Manufacturers like Savvy Rubber and Kaxite Rubber provide a wide range of NBR products, ensuring quality and reliability. Seal-China also offers specialized Buna-N O-rings that cater to specific sealing needs in various applications.
Differences Between Buna-N and Other Rubber Types
While Buna-N nitrile rubber is highly versatile, it is essential to understand how it compares to other rubber types. Below is a comparison table highlighting the differences between Buna-N and other common rubber materials:
| Rubber Type | Temperature Resistance | Oil Resistance | Ozone Resistance | Typical Applications |
|---|---|---|---|---|
| Buna-N (NBR) | -40 °C to 120 °C | Excellent | Fair | Automotive seals, gaskets, industrial hoses |
| EPDM | -50 °C to 150 °C | Good | Excellent | Weather seals, roofing membranes |
| Silicone | -60 °C to 200 °C | Fair | Good | Medical applications, food processing |
| Viton (FKM) | -20 °C to 200 °C | Excellent | Good | Chemical processing, fuel systems |
Conclusion
Buna-N nitrile rubber is a crucial material in various industries, offering excellent mechanical properties, oil resistance, and versatility. With manufacturers like Savvy Rubber, Kaxite Rubber, and others leading the way in production, the availability of high-quality Buna-N products is assured. Understanding the technical features and types of Buna-N rubber can help businesses make informed decisions when selecting materials for their applications.
FAQs
1. What is Buna-N nitrile rubber?
Buna-N nitrile rubber, or NBR, is a synthetic rubber made from a copolymer of acrylonitrile and butadiene, known for its excellent oil and fuel resistance.
2. What are the common applications of Buna-N rubber?
Buna-N rubber is commonly used in automotive seals, gaskets, hydraulic hoses, and various industrial applications due to its durability and resistance to oils.
3. How does Buna-N compare to other rubber types?
Buna-N offers excellent oil resistance but has fair ozone resistance compared to other types like EPDM, which excels in ozone resistance but has lower oil resistance.
4. Where can I purchase Buna-N products in China?
You can purchase Buna-N products from manufacturers like Savvy Rubber, Kaxite Rubber, and Seal-China.
5. What is the shelf life of Buna-N nitrile rubber?
The shelf life of Buna-N nitrile rubber typically ranges from 5 to 10 years, depending on storage conditions and exposure to environmental factors.