Beaker Cover Watch Glass. The Kartell watch glass cover shown at left provides a stable base and is made of chemically resistant polypropylene. WATCH GLASS CLEAR GLASS WITH GROUND EDGES 80MM DIA.
They possess high chemical durability thus preventing contamination of solutions. The heavy wall and uniform fire-polished edge provide mechanical strength. Laboratory watch glasses and beaker covers in glass and plastic.
A beaker is a simple laboratory piece of glassware that resembles a coffee mug without the handle.
Enjoy Free Shipping Worldwide. During digestions and for spotting out. Designed for use as a beaker cover. They are molded to the same radius of curvature for convenient stacking.