Flasks Volumetric with Hollow Stopper Class - B, cap. 250ml, Hex. Hollow Stopper, borosilicate glass, Blue Printing

• Class B borosilicate 3.3 volumetric flask
• Includes hollow glass stopper (14/23)
• Single etched graduation mark, blue print
• Tolerance ±0.30ml
• 220 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