Glass Test Tubes 20 mm Diameter x 180 mm long

• Glass Test Tubes 20 mm Diameter x 180 mm long with no beaded rim
• No Beaded, fire-polished rims
• Made from special tubing to give the optimum wall thickness
• Annealed, heat resistant, and stable to most chemicals
• Reusable grade glassware
• Veteran owned company with emphasis on Customer Service

Glass Test Tubes 20 x 180 mm Applications

• Variable testing using comparison methods
• Adding various concentrations to same sample to determine results