DURAN® Volumetric flasks without graduation mark

• With stopper bed,
• Neck partially ground, for DIN EN ISO 1042
• 1 - Not for DIN EN ISO 1042
• 2 - Without stopper bed, neck ID in approx. mm, with beaded rim
• 3 - Unground stopper bed
• Temperature resistance:
  • + 200°C - not insulated,
  • minus temperature limited by grinding grease/sealing
• Pressure resistance: -1/+0.5 barg
• Material in contact with product: Borosilicate glass 3.3
• Additionally for pressure: note the pressure resistance of clamps, fork clamps and screw connections for NS system

Important: For glass articles which differ from the original shape after further processing, the permissible data must be determined in accordance with the technical rules and regulations.