CH0442H
Borosilicate Glass ASTM Volumetric Flask with Glass Stopper, 2000 ml, Class B, Autoclavable

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  • 2,000 ml borosilicate ASTM Volumetric Flask
  • Includes solid glass No. 27 stopper
  • Available with blue or white graduations/printing
  • Class B
  • Tolerance ±1.00 ml
  • Made from high quality 3.3 borosilicate glass
  • Low temperature gradient - can withstand high temperatures and thermal shocks*
  • Superior chemical durability*
  • Autoclavable at 121°C
  • Complies with ASTM-E288
*See specifications tab for temperature and chemical durability information
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    Material3.3 Borosilicate Glass
    ClassClass B
    Capacity2,000 ml
    StopperSolid glass, No. 27
    Tolerance±1.00 ml
    Graduationyes
    Height 13.5 inches
    Diameter 4 inch flat base
    Thermal Properties
    Coefficient of Linear Expansion32.5 x 10⁻⁷ / C°
    Strain Point515°C
    Annealing Point565°C
    Softening Point820°C
    Specific Heat0.2
    Thermal Conductivity (Cal/cm3°C/Sec)0.0027
    Chemical Durability
    Contact Chemical Duration (hours)Loss in weight (mg/m²)
    Water distilled at 100°C610
    Water vapour steam at 121°C175
    Acid HCl6100
    80% H₂SO₄ at 130°C12140
    Alkali -1N solution of Na₂CO₃ boiling64000
    Isotonic infusion Fluids
    NaCl (0.85%) at 121°C2.570_x000D_
    Glucose (5%) at 121°C2.550
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