Class A volumetric glassware provides the highest degree of accuracy.

• Double metric scale, 'To Deliver'
• Meets ASTM E1272, Class A standards, batch certified
• One-piece molded glass construction with hexagonal base and adjustable plastic bumper guard
• Made from heavy-duty borosilicate 3.3 glass
• Strain point: 515 °C
• Annealing point: 565 °C
• Softening point: 820 °C

Graduated cylinders comply with ASTM E1272, Class A standards, batch certified. Each cylinder features a double metric scale, calibrated to deliver. Borosilicate glass 3.3 cylinders with pour spouts feature heavy uniform wall tubing and attached glass hexagonal bases. All cylinders include bumper guards and a batch calibration certificate.