DURAN® Volumetric Flask Class A batch certificate

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