A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker.
Made of Neutral Glass;
| Size | 50mm, 60mm, 65mm, 75mm, 80mm, 90mm, 100mm, 125mm, 150mm, 200mm |
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