Watch Glasses
Watch glasses for heating solids and liquids as well as for use as beaker covers are available at Avantor. Select models constructed of borosilicate, soda lime, or flint glass. Ribbed watch glasses for use as beaker covers eliminate vapor escape. Products have fire polished edging and are molded to the same radius for easier stacking. Select watch glasses in the appropriate diameter to meet your needs and purchase in packs or cases.
PYREX® Ribbed Watch Glass/Beaker Cover, Corning
Supplier: Corning
Designed for use as a beaker cover. Ribs are molded into the glass. Permits reflux of digestate and escape of excess vapor. Eliminates risk of contamination from dropped hooks or props.
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KIMBLE® Watch Glasses, DWK Life Sciences
Supplier: DWK Life Sciences (KIMBLE)
Concave circular glasses are used to perform evaporations for liquids, to cover beakers and to hold solids while weighing.
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Disposable Watch Glasses, PerkinElmer
Supplier: PerkinElmer
These watch glasses are compatible with sample preparation blocks.
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Flint Glass Watch Glasses
Supplier: United Scientific Supplies
Useful clear watch glasses for evaporation.
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Shallow Form Watch Glasses, Walter Stern
Supplier: Walter Stern
Concave, clear, annealed glass covers have fire-polished edges
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Flint Glass Watch Glasses
Supplier: United Scientific Supplies
Great Affordable Labware
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Cover Glass with Fire-Polished Edge
Supplier: GSC International
Made from borosilicate glass that resists cracking from temperature changes.
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HotBlock® Watch Glasses and Reflux Caps, Environmental Express®
Supplier: Environmental Express
Choose from reflux caps or watch glasses compatible with digestion cups.
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CHEMWARE® PTFE Watch Glasses, Saint Gobain Performance Plastics
Supplier: Saint Gobain Life Sciences
Ultra-shallow, concave dish is ideal for holding, weighing, crystallizing, evaporating and drying small samples of liquids, powders and solids.
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Watch Glasses, United Scientific Supplies
Supplier: United Scientific Supplies
Designed to perform evaporations on a hot plate or over open flame.
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Syracuse Watch Glass, Electron Microscopy Sciences
Supplier: Electron Microscopy Sciences
A clear watch glass which measures 65 x 50 x 10 mm (O.D. x I.D. x Depth).
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Watch Glasses, Economy
Supplier: United Scientific Supplies
Useful clear watch glasses for evaporation.