Labware Products & Reviews

These 100mm diameter PYREX® watch glasses are designed to fit 600 mL 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 strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected…

These 125mm diameter PYREX® watch glasses are designed to fit 1L 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 strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected to o…

These 150mm diameter PYREX® watch glasses are designed to fit 2L 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 strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected to o…

These 75mm diameter PYREX® watch glasses are designed to fit 250 mL 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 strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected t…

These 90mm diameter PYREX® watch glasses are designed to fit 400 mL 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 strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected t…

These 100mm diameter ribbed PYREX® watch glasses are designed for use as covers for 600 mL PYREX® beakers. Ribs are molded into the glass so that they can't pop off as they do when cane is sealed to standard watch glasses. Permits escape of excess vapor and eliminates risk of contamination from dropped hooks or props. Meets EPA requirements for methods 3005, 3010, and 3020.

These 125mm diameter ribbed PYREX® watch glasses are designed for use as covers for 1L PYREX® beakers. Ribs are molded into the glass so that they can't pop off as they do when cane is sealed to standard watch glasses. Permits escape of excess vapor and eliminates risk of contamination from dropped hooks or props. Meets EPA requirements for methods 3005, 3010, and 3020.

These 75mm diameter ribbed PYREX® watch glasses are designed for use as covers for 250 mL PYREX® beakers. Ribs are molded into the glass so that they can't pop off as they do when cane is sealed to standard watch glasses. Permits escape of excess vapor and eliminates risk of contamination from dropped hooks or props. Meets EPA requirements for methods 3005, 3010, and 3020.

High quality, high purity nickel crucibles and lids.

MINSTAC, The Lee Company's Miniature Inert System of Tubing and Components, offers the ability to precisely control flow rate, pressure, filtration and other performance factors of aggressive fluids. The basis of the Lee MINSTAC System is the unique Collet-Lock system. Teflon® tubing is chamfered and a specially designed Collet is threaded onto its end. This assembly provides a leak-proof connection from Teflon® tubing to t…