Borosilicate Glass Beaker, 250 ml, 25 ml Graduation, Tall Form, Autoclavable

CH0127E
Borosilicate Glass Beaker, 250 ml, 25 ml Graduation, Tall Form, Autoclavable

  • Sale
  • 250 ml borosilicate beaker with spout
  • 25 ml graduations
  • Made from high quality 3.3 borosilicate glass
  • Low temperature gradient - can withstand high temperatures and thermal shocks*
  • Superior chemical durability*
  • Tall form
  • Autoclavable at 121°C
  • Graduated as per DIN12231 & ISO 3819
*See specifications tab for temperature and chemical durability information
    Material 3.3 Borosilicate Glass
    Capacity 250 ml
    Graduations 25 ml
    Height 120 mm
    Diameter 60 mm
    Thermal Properties
    Coefficient of Linear Expansion 32.5 x 107 / °C
    Strain Point -515°C
    Annealing Point 565°C
    Softening Point 820°C
    Specific Heat 0.2
    Thermal Conductivity (Cal/cm3°C/Sec) 0.0027
    Chemical Durability
    Contact Chemical (mg/m2) Duration (hours) Loss in weight
    Water distilled at 100°C 6 10
    Water vapour steam at 121°C 1 75
    Acid HCl 6 100
    80% H2SO4 at 130°C 12 140
    Alkali -1N solution of Na2CO3 boiling 6 400
    Isotonic infusion Fluids
    NaCl (0.85%) at 121°C 2.5 70
    Glucose (5%) at 121°C 2.5 50