The amber borosilicate 3.3 glass of this 50mL burette is suitable for light-sensitive chemicals. Comes fitted with a PTFE straight bore stopcock. The 0.10mL tolerance meets ASTM Class A / DIN ISO 385 standards for precision. White, printed graduation lines with 1mL and 0.1mL sub divisions. Burette measures 77.5cm (30.5") in length, and has an inner diameter of 11mm and an outer diameter of 14mm. Each burette is individually calibrated for highest accuracy.
Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515C | Annealing Point 565C | Softening Point 820C. Calibrated for delivery.
Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.
Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.