Red Rubber
This is a polyisoprene formulation, similar to natural rubber in coring and
re-seal characteristics.
Pink Rubber
A pink polyisoprene formulation similar to natural rubber in coring and
re-seal characteristics.
Grey Chlorobutyl - 45
A general purpose butyl rubber compound developed for pharmaceutical closure
applications. 100% chlorobutyl compound with excellent oxygen and MVT
characteristics. Low extractables. It is recommended for serum vial stoppers
and various other products requiring a soft, clean butyl compound with good
resealability.
Grey Chlorobutyl - 50
General purpose bromobutyl formulation for packaging of parenteral
solutions. Exhibits low extractables in broad pH range of 3.5 - 9.5.
Excellent tolerance to water solutions containing alcohol and propylene
glycol.
Silicone Rubber
A silicone with excellent heat aging and compression set characteristics.
Low extractables.
Black Chlorobutyl
Similar characteristics to grey chlorobutyl with a durometer of 55.
Viton®
Excellent chemical resistance. Good resealing characteristics. Good for
chlorinated solvents.
