Lyophilization Bromobutyl Rubber Stopper

Hebei Xiangyi International Trading Co., Ltd07 Jul, 2025Business

There are various elastomer formulations for stoppers. Natural rubber is a general-purpose elastomer, mainly used for water-based liquid filling products in the pH range of 4.0-7.5. Its resealability is an advantage in multi-dose applications. The formula uses dry natural rubber and no liquid latex. The post-treatment cycle (PEP 1) reduces the content of volatile extractables in the rubber component. The extractable formula of butyl stopper is very low and can be used with liquid