Product Description High quality Borosilicate Glass 50 ml capacity, 0.10 ml graduation lines Glass Key Stopcock 31.2″ tall, 0.5″ diameter. Class B, DIN ISO 385 Compliant Class B, Accuracy as per DIN ISO 385 standard. Burette is made of high quality 3.3 borosilicate glass. Glass Key Stopcock. Capacity 50ml Sub. Div.0.10ml Tolerance ± 0.10ml Heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.
