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Eisco Labs Volumetric Flask, Glass, ASTM Class B, 250 Milliliters

Item #: 2021991
$16.49 $12.37
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This Class B borosilicate glass volumetric flask is fitted with solid glass stopper (Number 16) and marked using easy-to-read blue markings. Lab unit is in compliance with ASTM-E288 standard. This flask has 250 milliliter (mL) capacity and a tolerance of ±0.240 mL. Borosilicate glass cylinder has the following heat tolerances: strain point at -515 degrees Celsius (-895 degrees Fahrenheit); annealing point at 565 degrees Celsius (1049 degrees Fahrenheit); and softening point at 820 degrees Celsius (1058 degrees Fahrenheit).