Our beakers are made from low-expansion borosilicate glass. Beakers feature heavy and uniform wall thickness, spouts designed for easy pouring, and beaded tops. The 20ml and larger sizes also have white printed graduations and a marking area. Tolerance for beakers is approximately +- 5%.

Low form beakers with spout, made of borosilicate glass, graduated as per ASTM-E960. Eisco Labs Borosilicate glass has the following heat tolerances Strain Point -515°C  Annealing Point 565°C  Softening Point 820°C.