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Fisherbrand™ PTFE Watch Glasses

Inert to all materials except molten alkali metals.

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Catalog No. 02-617-1F



  • Molded from PTFE resin with machine finish for smooth surface
  • Usable from cryogenic range to 260°C (500°F)
  • Also act as beaker covers for Fisherbrand PTFE Beakers (02-593-5 Series)



4.92 in.
For 600, 1000mL beaker
Cryogenic to 500°F
Used as beaker covers
Watch Glass Beaker Cover PTFE 600-1000mL
Cryogenic to 260°C
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