Pro Grade Lab Watch Glass Set 70mm Beaker Cover Lids For Chemistry 10 Pieces Clear Glass Watch Glasses For Reactions Thickened Glass With High Transparency 2.8 Inch Diameter

Premium 70mm Watch Glass Set for Lab Use, 10 Pieces
✔️ 70mm (2.8 in) glass, 10-piece pack, thickened, high clarity

These clear watch glasses are thickened glass discs designed for lab work. They serve as evaporation surfaces, weighing platforms, and protective lids for beakers and flasks, helping keep dust and contaminants out. The 70mm diameter (2.8 inches) fits standard lab beakers and flasks, offering clear visibility and a smooth, safe-handling surface.

✅ 70mm (2.8 in) diameter watch glass for reliable evaporation surface
✅ Thickened glass provides high transparency and safe handling
✅ 10-piece pack, great for classrooms, labs, and home experiments
✅ Doubles as beaker lids to keep dust and contaminants out

💡 What is the primary function of a watch glass in chemistry labs, and why is it handy?

This handy glassware offers a simple surface for evaporation and weighing, plus dust protection. - handy evaporation surface for small liquid volumes - convenient beaker cover to keep dust out during weighing - perfect for classroom demos and home science projects