Lab Watch Glass Set With Beaker Cover Lids, 3.9 Inch Diameter, 12 Pieces, Thickened High Transparency Glassware For Chemistry Experiments And Classroom Use
✔️ 12 watch glasses, 100 mm diameter, thickened high-transparency glass
These watch glasses are flat, round glass discs used in chemistry labs and classrooms. They serve as evaporation surfaces, small weighing trays, and protective covers for beakers and flasks. This 12-piece set is sized 3.9 inches (100 mm) in diameter, making it a handy addition to science classrooms and home chem setups.
✅ 12 pcs, each 3.9 inch (100 mm) diameter
✅ Thickened glass with smooth surface and high transparency
✅ Rounded edges for safe handling and pouring
✅ Use for evaporation, weighing solids, and covering beakers or flasks
✅ Suitable for professional labs, classrooms, and home projects
💡 What is a watch glass used for in chemistry labs and classrooms? This handy glassware helps with evaporation, containment, and dust protection during experiments. - Evaporation surface for liquids on a balance - Cover to keep dust out of beakers or flasks - Lightweight tray for solids or small samples