Butyl Rubber
Butyl rubber, also known as isobutylene-isoprene rubber (IIR), is a synthetic elastomer with excellent air and gas impermeability. It is made from a copolymer of isobutylene and a small amount of isoprene, and is widely used in various applications due to its unique properties.
Properties:
Impermeability: Butyl rubber is highly resistant to gases and liquids, making it ideal for applications that require airtight seals or barriers. It has the lowest permeability rate of any elastomer.
Flexibility: Butyl rubber has excellent flexibility and can be easily molded into various shapes and sizes, making it suitable for use in a wide range of products.
Weather Resistance: Butyl rubber has excellent resistance to weathering, ozone, and UV radiation, which makes it ideal for outdoor applications.
Low Gas Permeability: Butyl rubber has a low gas permeability rate, which makes it suitable for use in the production of inner tubes for tires, air mattresses, and other products that require airtight seals.
Applications:
Tires: Butyl rubber is commonly used in the production of inner tubes for tires. It helps to maintain the air pressure in the tire and prevent punctures.
Construction: Butyl rubber is used in the construction industry as a sealant for windows, roofs, and other structures. Its excellent air and gas impermeability make it ideal for this application.
Pharmaceuticals: Butyl rubber is used in the production of stoppers for pharmaceutical vials and bottles. Its impermeability to gases and liquids helps to prevent contamination of the contents.
Automotive: Butyl rubber is used in various automotive applications, including gaskets, seals, and hoses. Its resistance to weathering and ozone make it ideal for use in these applications.
Sporting Goods: Butyl rubber is used in the production of air mattresses, inflatable boats, and other sporting goods. Its low gas permeability makes it ideal for maintaining air pressure.
Conclusion:
Butyl rubber is a versatile elastomer with excellent properties that make it suitable for a wide range of applications. Its unique properties make it an ideal choice for applications that require airtight seals or barriers. It is widely used in the automotive, construction, pharmaceutical, and sporting goods industries, among others.