PYREX® Volumetric Pipets, Class A Calibrated & Certified TC & TD

Corning® PYREX® reusable volumetric pipet are calibrated to Class A tolerances in accordance with ASTM E-542 and ASTM E-969. Each volumetric pipet is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. The precision volumetric pipet is manufactured and calibrated 'To Contain' (TC - bottom line) and 'To Deliver' (TD - top line) to specifications for Class A volumetric ware. It has red color-coded markings enameled onto the glass for easy size identification. Non-Sterile. Reusable. Material: Borosilicate Glass Code 7800.