Beaker lids and covers prevent contamination and content loss from spouted and spout-less beakers. Covers are available in PTFE plastic, due to its resistance to chemicals and temperature, as well as glass and metal. They are sized to tightly fit a specific beaker volume and diameter.
Aids in the storage, mixing and pouring of liquids in the laboratory. Semadeni Lids for Color-Coded Plastic Beakers are manufactured from durable polypropylene.