- Type 1 - stopper for sleeve impact of bottles with bloodless, infusion solutions, hemo-preservatives, preserved bllod, its components and preparations, as well as all kinds of drugs solutions for internal and external consumption.
- Type 2 - пstopper for closing of injectable preparations of antibiotics, bacteriological preparations, drug products for internal and external consumption, which depending on design manufactures in two versions.
- Type 3 - stopper for closure of preparations obtained by method of lyophilization.
- Type 4 - stopper for pilferproof of industrially and pharmaceutically manufactured preparations with shelf life not more than one year, repeating the construction of 1-3 types in view of external indicators.
- nontreated (N),
- ready for sterilization (RS) and
- sterile (S).
There are following sizes of rubber stoppers
(GOST 7852—55) (in mm):