Positive threaded-back PTFE stopcock won't come loose during titrations
- Class A burettes (burets) with clear borosilicate bodies and chemical-resistant PTFE stopcocks
- White graduation markings are easy to read
These Class A burettes (burets) are calibrated at 20°C to exceed ASTM E287 (meets or exceeds DIN, ISO, and ASTM standards). They feature a maximum temperature of 460°F (240°C) for normal use and 750°F (400°C) for short-term use.