Polypropylene Stoppers are a cornerstone of laboratory essentials, facilitating the closure of flasks, test tubes, and other vessels. Their special plastic blend ensures unparalleled chemical resistance and toughness, providing a reliable barrier to protect contents from contamination and prevent leaks or evaporation. 

Stoppers Polypropylene - Octagon Knob for Socket Joints is also known as the plastic stopper. They are used to make test tubes or flasks tight seals and prevent chemical leakage. They are easy to fit and remove and have a conical joint with the standard taper.

Packing: 1 Pc/Pk