The offered Polypropylene Laboratory Beaker is generally a cylindrical container with a flat bottom. A beaker is a cylindrical glass or plastic vessel used for holding liquids. It is a multi- purpose piece of equipment used for containing a chemical reaction, measuring liquids, heating them over a Bunsen burners flame or collecting them in a titration experiment. It is used routinely in laboratory experiments to calculate the volumes of various liquids. Polypropylene Laboratory Beaker is resistant to chemicals and corrosion.