PYREX® Glass Burets, Class A
The capacity tolerance for Corning PYREX® glass burets is established by ASTM E-287. Glass burets are calibrated in accordance with ASTM E-542. The buret tip is carefully drawn from accurate bore tubing to insure proper drainage rates. These PYREX® glass burets have colored markings, fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak resistant performance. Each buret is supplied with a dust cover and a small bore PTFE stopcock plug. Material: Corning Borosilicate Glass Code 7740.