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.
Double-graduated metric scales.  Accuracy: ±5% of full capacity.