Meets EPA requirements for methods 3005, 3010, 3020 Fast, easy clean-up Save time, trouble and expense! No need to spend extra time and money having cane sealed to regular watch glasses in order to meet EPA specifications. 100% reliable molded-in ribs cannot pop off, eliminating the need to make…

Chemware® Teflon® TFE Unbreakable in oridinary use Surface is not wetted by water and is nonadherent to most materials Smooth finish resists contamination Can be used at temperatures from -265 to 315°C. Listings indicate watch glass diameter.

Unique ribbed watch glasses are designed to fit DigiTUBEs (catalog number 010-500-261) and Teflon® tubes (catalog number 010-500-066) to help promote gentle refluxing. Manufactured using virgin polypropylene with ultra low metal content.

These PYREX® watch glasses are designed to fit PYREX® beakers. They possess high chemical durability, thus preventing contamination of solutions. They are molded to the same radius of curvature for convenient stacking. The heavy wall and uniform fire-polished edge provide mechanical…

Made from soda lime glass (1.8 mm thick), fine ground and flame polished edges.

Our borosilicate Watch Glasses have fire-polished edges and a concave shape. They have many uses in the lab, such as covering jars to prevent contamination, preventing direct contact with heat, acting as an evaporation surface, and more. PRODUCT WARNINGS WARNING: This product can…

Borosil® Watch Glasses (S-Line) are made of soda glass and each is molded to the same radius of curvature for convenient stacking. The watch glasses are high clarity and free of bubbles. A special process is used that results in an ideal flat curved surface. Avail. in capacity of 80ml…

For covering boiling solutions Fire-polished edges concave shape Can be used on funnels, dishes and jars

41mm ribbed watch glass fits all 50mL digestion vessels. Polypropylene construction is naturally free of contaminants. Ribbed design allows partial reflux during digestion. Watch glass has a center stem to aid in handling. Pack of 1000 caps.

Product Dimensions (l x w x h) : 0x2.354x0.366in Watch Glass. Polypropylene . 60 mm diameter. Provided with a stable base and made of chemically resistant polypropylene. Will withstand temperatures up to 120ºC. May also be used as beaker covers.

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 Manufactured from 90 expansion soda-lime glass conforming to USP Type III requirements

Concave Clear Annealed Glass Covers Used To Return Condensation to beakers Fired-Polished Edges