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> Watch glasses: diam 90MM (3.5 in)
Watch glasses: diam 90MM (3.5 in)
3.5 inch (90mm) Priced Each. These watch glasses are made of heavy wall soda lime plate glass with fire-polished edges. They are are concave, clear and annealed Watch glasses are useful in any laboratory and can be used to cover beakers or flasks, reducing evaporation of volatile liquids or solids during sample preparation. These are often used to observe crystal formations in chemical solutions.
