Flask Volumetric With Polypropylene Stopper ASTM-E288 STD Class A,500 ml, Stopper no 19, White Printing

• Volumetric flask with one graduation mark
• Calibrated to Class-A volumetric tolerances
• Made of high quality borosilicate 3.3 glass conforming to ASTM E-438, Type-1, Class-A requirements
• Excellent chemical resistance
• Mechanically strong with low temperature gradient
• Calibrated to contain (TC,In) at 20 C reference temperature
• Individually calibrated by automatic calibration process
• Sharp and permanent graduation mark
• Includes chemical resistant polyethylene stopper
• Complies with ASTM E288 standard
• Autoclavable at 121 C (glass only)