Volumetric flask Class A. Duran

DURAN® Volumetric Flask, Class A, batch certificate
with printed graduation mark and ergonomic polyethylene stopper

• Complies with ISO 1042
  
• Made from borosilicate glass 3.3
  
• Outstanding precision during volumetric measurement and high-quality process stability
  
• Thanks to the exact processing and precisely calibrated scales, they permit the highly accurate determination and measurements of volume
  
• Supplied with ergonomic polyethylene stopper for easy and safe tightening or removal
  
• Calibration based on the poured in volume (In) at a + 20 °C reference temperature
  
• The volume content tolerances conform to accuracy Class A
  
• With printed ring mark for better visibility
  
• Fired-on, highly durable blue print