- The rounded curvature and circular design of these watch glasses make them ideal for laboratory use, providing a stable surface for holding or blending small amounts of liquids and powders. - Essential for various scientific experiments and laboratory procedures, these watch glasses are perfect for solvent evaporation, gentle heating of samples, and can also serve as lids for beakers and evaporating dishes, enhancing your workflow. - This set includes 10 watch glasses, each with a diameter of 100 mm and a thickness of 2 mm, ensuring you have plenty on hand for multiple applications. - Made from durable borosilicate glass, these watch glasses feature a smooth, transparent surface, allowing for easy observation of contents. Please note that they are not suitable for direct heating. - Practical applications include using them to cover beakers to prevent contamination, as evaporation dishes for solvent testing, or as mixing surfaces for chemical reagents. - Their compatibility with standard laboratory equipment and their robust construction make them a reliable choice for both professionals and students in the lab setting.