CH196031
Borosilicate Glass Safety Pack Erlenmeyer Flask Set (50ml, 100ml & 250ml), Graduated, Autoclavable

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  • Includes (1) 50 ml, (1) 100 ml, (1) 250 ml flasks
  • Packaged in a thick, custom fitted foam casing for safe storage and transport
  • Flasks are graduated
  • Made from high quality 3.3 borosilicate glass
  • Low temperature gradient - can withstand high temperatures and thermal shocks*
  • Superior chemical durability*
  • Narrow Neck
  • Autoclavable at 121°C
  • Complies with DIN ISO 1773
*See specifications tab for temperature and chemical durability information
    Material 3.3 Borocilicate Glass
    Capacity 50 ml, 100 ml, 250 ml
    Graduations 25 ml, 25 ml, 50 ml
    Thermal Properties
    Coefficient of Linear Expansion 32.5 x 10⁻⁷ / 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 Duration (hours) Loss in weight (mg/m²)
    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 4000
    Isotonic infusion Fluids
    NaCl (0.85%) at 121°C 2.5 70
    Glucose (5%) at 121°C 2.5 50