This 3-leg lyophilization stopper is made from gray chlorobutyl/55 and is used with Wheaton screw neck diagnostic bottles. This stopper can be used with open top caps (240716-01 series) or closed top caps (240706-01 series). Not recommended for use with crimp top caps
Sleeve stoppers are plug stoppers with told- over skirts. This type of stopper is used on serum vials and other crimp-finish containers that do not require aluminum seals or overcaps. Sleeve stoppers can be used as an injection site for multiple dose entry. These stoppers are manufactured from natural red rubber, a general-purpose rubber formulation that has excellent resealable properties, making it ideal for use in multi-puncture applications.
This design provides maximum sealing for vials with Straight wall glass finish. The straight wall interior finish is typically found in vials from European manufacturers. This style is not recommended for vials with a blow-back feature. which is a small ridge on the interior of the vial's neck.
This design provides maximum sealing for vials with a below-back glass finish, which is a small ridge on the interior of the vial's neck. The snap-on stopper locks into the blow-back ridge. providing a light seal and keeping The stopper from backing out. this style is not recommended for vials with a straight walled finish. The blow-back feature is typically found in vials from North American manufacturers.