This product is mainly used for bottle or pipe stoppers in medicine, chemical, machinery, scientific research and other industries.
It is mainly used as a carrier for airtight containers or perforated glass tubes. (It is convenient to punch holes of various diameters with a puncher)
Rubber stoppers are used to seal equipment in chemical experiments and are made of rubber.
Chemical instruments without grinding mouths can generally be sealed with rubber plugs.
Rubber plugs have different sizes.
The rubber stopper is alkali resistant. Usually sealed with rubber stopper if the reagent bottle containing the lye, Please don’t use glass stopper.