Description

Butyl rubber is a copolymer of isobutylene and a small percentage or isoprene.

Properties

• With careful compounding Butyl has really good tensile strength.
• Butyl has very low permeability to air and other gases.
• Excellent resistance to ozone, oxidation and sunlight.
• Excellent temperature range of -45º C to +130º C for normal compounds and even better with special formulations like cured resin.
• Butyl has very low resilience which makes it ideal for vibration damping and shock absorption applications.
• Butyl has moderate resistance to abrasion and compression set.
• Resistance to chemicals; resistant to most inorganic products. Highly resistant to mineral acids, alkalines and aqueous acids. Not recommended to use in contact with oils, or hydrocarbon solvents.