Test Tubes

Caplugs® Evergreen Test Tubes are offered in more sizes than any other manufacturer. This laboratory essential is ideal for a variety of general testing/collection applications and our labware line has the variety necessary to fit any laboratory’s requirements.

• Round Bottom, Conical Bottom & Round Bottom with Ribbed Base styles
  • Ribbed base is ideal for antibody coating or protein absorption due to the slanted ribs allowing for greater surface area of a sample
• Polystyrene Tubes:
  • Withstand up to 8,200 x g
  • Provide better tube clarity
  • Appropriate for use with mild acidic (except oxidizing acids) or alkali solutions, alcohols (except higher alcohols) and salt
• Polypropylene Tubes:
  • Withstand up to 10,000 x g
  • Provide more chemical resistance
  • Appropriate for use with organic solvents and stronger acids (except oxidizing acids), alkalis, alcohols, chlorinated and aromatic hydrocarbons (except xylene) and ketones
• Sterile Test Tubes are also available
• Stopper Caps sold separately