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Watch glasses for heating solids and liquids as well as for use as beaker covers are available at VWR. 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.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 90mm.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 150mm.
Description:
Watch glass soda lime 70 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
Watch glass soda lime 125 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
Watch glass soda lime 100 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
Watch glass soda lime 90 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
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. Meets EPA requirements for methods 3005, 3010 and 3020. Diameter: 125mm.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 100mm.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 125mm.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 65mm.
Description:
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. Meets EPA requirements for methods 3005, 3010 and 3020. Diameter: 75mm.
Description:
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. Meets EPA requirements for methods 3005, 3010 and 3020. Diameter: 100mm.
Description:
Watch glass soda lime 150 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
Watch glass soda lime 80 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. To USP Type III requirements.
Description:
Watch glass soda lime 50 mm, Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed. Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm, to USP Type III requirements.
Description:
Used for evaporations on hot plate or over open flame, and as covers for heated beakers. Heavy wall and uniform fire-polished edge provide mechanical strength. OD cannot be controlled within close limits; slight degree of out-of-round can be expected. Diameter: 75mm.
Description:
Watch Glass, designed to perform evaporations on a hot plate or over open flame, Made from soda lime glass (1.8 mm thick), with fine ground and flame polished edges, diameter: 80 mm
Description:
Watch Glass, designed to perform evaporations on a hot plate or over open flame, Made from soda lime glass (1.8 mm thick), with fine ground and flame polished edges, diameter: 100mm
Description:
Watch Glass, Our Borosilicate Watch Glasses Are Concave And Have Fire-Polished Edges. They Are Useful For Tasks Such As Covering Jars To Prevent Contamination, Preventing Direct Contact With Heat, And Evaporation Surface, Watch Glasses Have A Dia Of 125Mm
Description:
Concave, clear, annealed glass covers. Used to return condensation to beakers. Edges are fire polished. Made of soda lime glass. Diameter: 90mm.
Description:
Concave, clear, annealed glass covers. Used to return condensation to beakers. Edges are fire polished. Made of soda lime glass. Diameter: 125mm.
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