Amber Class A Burette with Rotaflow Stopcock, 25mL, Borosilicate Glass

This 25 mL Class A burette is manufactured from precisely bored borosilicate 3.3 glass and features an attached PTFE needle-valve rotaflow stopcock for precise drop-wise dispensing. Tolerance is ±0.05 mL with 0.10 mL subdivisions, conforming to DIN ISO 385 standards. Chemical-resistant amber printing ensures long-lasting readability. The heavy-duty borosilicate construction is autoclavable and delivers superior chemical durability, with a Strain Point of 515°C, an Annealing Point of 565°C, and a Softening Point of 820°C.