ProSource Scientific beakers meet ASTM E-960 Type I specifications for classification, design, capacity & dimensions, and markings.

These beakers feature easy-pour spouts, white, permanent graduations, and large marking squares. Made from high-quality borosilicate glass with a low coefficient of expansion. Manufactured with uniform wall thickness resulting in the optimum balance between thermal shock resistance and mechanical strength.

20229-20 through 20229-3000 have double-graduated metric scales. Accuracy: ±5% of full capacity.