High-quality watch glass with machine-ground edges. Watch glass has many uses around the laboratory including covering beakers to prevent evaporation or use as a shallow culture dish. Sold in packs of 10.
- Small = 70mm covers beakers to 200ml
- Medium = 100mm covers beakers to 600ml
- Large= 150 mm covers beakers to 2000ml
*** Please note: Edges are machine ground, not fire polished like a beaker or test tube rim. The fine-grit machine grinding does make the edge very smooth and safe for handling, but it will contain slight cosmetic blemishes. ***
28ml = 1 fluid ounce
25mm = 1 inch
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