Test tubes are versatile cylindrical glass or plastic containers used for holding, mixing, heating, and storing chemical or biological samples. They are indispensable in medical diagnostics, research experiments, and routine laboratory work.

Key Features:

• Material Options:

  • Borosilicate glass: Heat- and chemical-resistant, flame-safe

  • Polypropylene (PP) or polystyrene (PS): Durable, shatterproof, and disposable

• Sizes Available:

  • Common volumes: 5 ml, 10 ml, 15 ml, 20 ml

  • Lengths typically range from 75 mm to 150 mm

• Design:

  • Round-bottom or flat-bottom base

  • Rimmed or rimless top for easy pouring

  • With or without graduation marks

• Closure Options:

  • Open

  • With screw cap or snap-on cap

  • Rubber stoppers (optional)

• Sterility:

  • Available in sterile or non-sterile variants