All Categories
Provides the widest range of chemical compatibility and most temperature tolerant
Most consistent adherence to close dimensional tolerances
Ideal for pharmaceutical applications
Exceptionally tight seal and offers a good chemical barrier
A size 28-400 cap has a diameter of 28mm and fits a container with a 400 GPI thread finish
These caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. They also provide the most consistent adherence to close dimensional tolerances. Ideal for pharmaceutical applications. These caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off. Great for everything from liquids, to soaps, to macro-invertebrates.