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12PK Test Tubes with Cork Stoppers, 25mL, 18x150mm - Borosilicate Glass

12PK Test Tubes with Cork Stoppers, 25mL, 18x150mm - Borosilicate Glass

SKU CH0718PCRPK12
by Eisco
In Stock - Over 100 Available
Expected to Ship Mon Apr 21
$15.79 - $15.79
$15.79
$15.79 - $15.79
$15.79
  • Ships from Rochester, NY
  • US Customer Service
  • 30-Day Return Policy
For volume discounts,
Call (585) 360-2295 or
Get a Quote
  • 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
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.