Science Chemistry Glass & Plastic Laboratory beakers, constructed of various types of glass, or plastic may be used for measuring, mixing, pouring, or heating liquids, depending on their construction. The wide mouth opening of a beaker provides easy access to add ingredients, mix using a stir bar or stir rod, thermometer, and perform other classroom lab procedures. Graduated markings on the side, when present, offer less accuracy and precision than graduated cylinders and volumetric flasks. Step into the core of scientific experimentation with Flinn Scientific’s selection of high-quality glass and plastic lab beakers. Essential for any chemistry lab, these beakers come in various sizes and materials to accommodate all your mixing, heating, and measuring needs. Trusted by educators and researchers worldwide, our beakers ensure precision and reliability in every experiment. Envision a lab where accuracy and safety are paramount—Flinn Scientific’s beakers are at the heart of this setting. Whether you are conducting a simple classroom demonstration or a complex research experiment, these beakers provide the reliability and efficiency you need. Their robust construction and precision markings ensure consistent results, making them an indispensable part of your laboratory toolkit.