Check the listing for details. Burette, 50mL - Class A - Borosilicate Glass - PTFE Stopcock - Eisco Labs. Condition: New. Listed at 30.99 USD. Burette, 50mL - Class A - Borosilicate Glass - PTFE Stopcock - Eisco Labs INDUSTRIAL QUALITY || 50mL Burette made of high quality, heavy duty, Borosilicate 3.3 glass. Burette features a straight bore, PTFE stopcockCLASS A || ±0.05mL accuracy as per DIN ISO 385SUPERIOR DURABILITY || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs proudly manufactures its own products, using only the highest grade, raw materials to ensure that they can withstand use in even the toughest laboratory environmentsCALIBRATED TO DELIVER || 0.1mL white graduations. Eisco Labs burettes are calibrated to deliverGREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use 50mL capacity burette made of high quality, heavy duty Borosilicate 3.3 glass. Features a straight bore, PTFE stopcock. Class A, tolerance, ±0.05mL accuracy as per DIN ISO 385. White graduations and marking for contrast against darker liquids. White graduations and marking for contrast against darker liquids. Burette body measures 0.55" (outer diameter), and 0.45"(inner diameter). Entire apparatus measures 31" in length. Bore measures 7mm in diameter. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C. Calibrated to deliver. 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. Product Details Brand Eisco Product Type Burettes MPN CH0240CWT Check out my other items.