You Searched For: Watch Glasses

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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.


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Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-150-G
Supplier: CORNING MEXICANA, S.A. DE C.V. MX

Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-65-G
Supplier: CORNING MEXICANA, S.A. DE C.V. MX

PYREX* Ribbed Watch Glass/Beaker Cover

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.
Catalog Number: 9990-100-G
Supplier: CORNING MEXICANA, S.A. DE C.V. MX

PYREX* Ribbed Watch Glass/Beaker Cover

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.
Catalog Number: 9990-75-G
Supplier: Corning

PYREX* Ribbed Watch Glass/Beaker Cover

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.
Catalog Number: 9990-125-G
Supplier: Corning

Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-75-G
Supplier: Corning

Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-90-G
Supplier: Corning

Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-100-G
Supplier: Corning

Borosilicate Glass Watch Glass

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.
Catalog Number: 9985-125-G
Supplier: Corning
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