Watch Glasses Beaker Cover Dish Lid, 10 Pack

Watch glass is a curved circular glass disc used in laboratories as a surface for holding or mixing small quantities of liquids or powders Commonly used in scientific experiments and laboratory procedures, such as evaporating solvents or heating small samples; can also be used as a lid for beakers, evaporating dishes and other containers 10 pack; Thickness: 2 mm, slight variations in size may occur Well-crafted with borosilicate glass; featuring a smooth surface and high degree of transparency; note: cannot be heated directly ASIN: B0CXDWQZTS, B0BVHP98T4, B0BVHQ2T9R, B0CXDVPDS8, B0BVHS6YKZ, B0CXDW1PCZ