Complies 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.

• 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
• United Scientific borosilicate glass cylinders have the following heat tolerances: Strain Point 515°C ; Annealing Point 565°C ; Softening Point 820°C

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