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12PK Erlenmeyer Flasks, 250mL - ASTM, Dual Graduated Scale - Borosilicate Glass

12PK Erlenmeyer Flasks, 250mL - ASTM, Dual Graduated Scale - Borosilicate Glass

SKU CH2159PK12
by Eisco
Out of Stock
$59.49 - $59.49
$59.49
$59.49 - $59.49
$59.49
  • Ships from Rochester, NY
  • US Customer Service
  • 30-Day Return Policy
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Call (585) 360-2295 or
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  • Ships from Rochester, NY
  • US Customer Service
  • 30-Day Return Policy
Material Info
Thermal Properties
  • Strain Point: 515°C
  • Annealing Point: 565°C
  • Softening Point: 820°C
  • Coefficient of Linear Expansion: 32.5 x 10-7 / °C
  • Specific Heat: 0.2
  • Thermal Conductivity (Cal/cm3°C/Sec): 0.0027
Chemical Durability - Contact
  • Water distilled at 100°C: 6 hours - 10 mg/m2 lost
  • Water vapour steam at 121°C: 1 hour - 75 mg/m2 lost
  • Acid HCl: 6 hours - 100 mg/m2 lost
  • 80% H2SO4 at 130°C: 12 hours - 140 mg/m2 lost
  • Alkali -1N solution of Na2CO3 boiling: 6 hours - 4000 mg/m2 lost
Chemical Durability - Isotonic Infusion Fluids
  • NaCl (0.85%) at 121°C: 2.5 hours - 70 mg/m2 lost
  • Glucose (5%) at 121°C: 2.5 hours - 50 mg/m2 lost
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About Eisco Labs

Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.

Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.