Conical Glass Culture Flask with Screw Cap

Erlenmeyer Flask with Screw Cap

Discover the Erlenmeyer Flask, an essential component for any laboratory, designed by the prestigious brand Glassco, renowned in the European Union. This flask is made of borosilicate glass 3.3, meeting DIN 12347, ISO 4797, and USP standards.

• Borosilicate Glass 3.3: Ideal for applications requiring high chemical resistance against water, saline solutions, acids, bases, and organic solvents. Avoid use with hydrofluoric acid and strong bases at high temperatures.
• White Screen Printing: Includes a practical writing area that facilitates sample identification and labeling.

Properties of Borosilicate Glass 3.3

Chemical Composition (mass %):

• 80% Silica (SiO₂)
• 12.5% Boron Oxide (B₂O₃)
• 2.4% Aluminum Oxide (Al₂O₃)
• 3.8% Sodium Oxide (Na₂O)
• 1% Potassium Oxide (K₂O)
• 0.3% Iron Oxide (Fe₂O₃)

Physical Qualities:

• Linear Expansion: Coefficient of linear expansion: 3.3 x10⁻⁶ K⁻¹.
• Thermal Tolerance:
  
  
• - Transformation Temperature: 534°C.
• - Upper and Lower Annealing Temperature: Between 494°C and 550°C.
• - Maximum Working Temperature: Up to 500°C.

Chemical Resistance Levels:

• - Hydrolytic (DIN 12111 and ISO 719): Class 1.
• - Acids (DIN 12116): Class 1.
• - Bases (DIN 52322 and ISO 695): Class 2.

Takes advantage of the durability and precision of the Erlenmeyer Flask with GL cap to optimize your experimental processes and ensure reliable results in your laboratory.