|  | EXXON Butyl and EXXON Halobutyl elastomers offer an excellent combination of chemical resistance and very low permeability to air, gases and moisture, making them ideal for healthcare and medical applications. EXXON Butyl and Halobutyl elastomers offer a number of advantages over natural rubber in pharmaceutical applications because of their inherent properties:
- Low permeability to gases and moisture
- Chemical and biological inertness
- Low extractables due to cure efficiency and versatility
- Resistant to heat, ozone and ultraviolet light
- Self-sealing and low fragmentation during needle penetration
- Sulfur-free curatives can be used with halobutyl polymer, minimizing extractables and discoloration
The following Exxon products can be used in pharmaceutical applications:
EXXON Bromobutyl
EXXON Chlorobutyl
EXXON Star-branched Chlorobutyl
For additional information about our polymers, please contact us at 1-800-231-6633 or 281-870-6000.
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