DURAN® Volumetric Flask, Class B, 250 mL

  • Complies with ISO 1042
  • Manufactured 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 B
  • With printed graduation mark for better visibility
  • Fired-on, highly durable white print
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Product Overview
Volumetric flasks are available in two different accuracy Classes: Class A and Class B. The two Classes differ in the accuracy of measurement with Class A being the highest accuracy, and Class B is approximately half that of Class A. The volumetric flasks with accuracy Class A have a blue print for clear glass products and a white print for amber versions. The accuracy Class B products have a white print. For these products only a general glass specification is available.

Specifications

Specifications
Boro 3.3 Boro 3.3
Material Boro 3.3, PE
Stopper Size 14/23
Tolerance (mL) +/- 0.3
Capacity (mL) 250
Diameter d (mm) 80
h (mm) 220
Diameter (mm) 80
Neck ID (mm) 15.5 +/- 1.5
Marking Area Marking Area
Height (mm) 220
Autoclavable Yes
Quantity 2
Product Overview
Product Overview
Volumetric flasks are available in two different accuracy Classes: Class A and Class B. The two Classes differ in the accuracy of measurement with Class A being the highest accuracy, and Class B is approximately half that of Class A. The volumetric flasks with accuracy Class A have a blue print for clear glass products and a white print for amber versions. The accuracy Class B products have a white print. For these products only a general glass specification is available.
Specifications

Specifications

Specifications
Boro 3.3 Boro 3.3
Material Boro 3.3, PE
Stopper Size 14/23
Tolerance (mL) +/- 0.3
Capacity (mL) 250
Diameter d (mm) 80
h (mm) 220
Diameter (mm) 80
Neck ID (mm) 15.5 +/- 1.5
Marking Area Marking Area
Height (mm) 220
Autoclavable Yes
Quantity 2
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