Flasks Volumetric with Hollow Stopper Class - A, cap. 20ml, Hex. Hollow Stopper, borosilicate glass, Blue Printing

• Class A borosilicate 3.3 volumetric flask
• Includes hollow glass stopper (10/19)
• Single etched graduation mark, blue print
• Tolerance ±0.040ml
• 110 mm tall
• Low temperature gradient - can withstand high temperatures and thermal shocks*
• Superior chemical durability*
• Autoclavable at 121°C
• ISO 1042

*See specifications tab for temperature and chemical durability information