Test Tube Glass Borosilicate 3.3 Laboratory Test Tubes

The Glass Test Tube Borosilicate 3.3 is a high-quality laboratory tube used for heating, mixing, and holding small quantities of chemicals. Made from durable borosilicate glass, it offers excellent resistance to heat and chemicals, making it ideal for laboratory, educational, and industrial use.

  • Made from Borosilicate Glass 3.3
  • High thermal and chemical resistance
  • Smooth, rounded bottom for uniform heating
  • Clear glass for easy observation
  • Compatible with rubber stoppers
  • Durable and reusable

Description

Technical Specifications

  • Product Type: Laboratory Test Tube
  • Material: Borosilicate Glass 3.3
  • Shape: Cylindrical with rounded bottom
  • Rim Type: Plain / Beaded rim
  • Heat Resistance: Suitable for direct heating
  • Usage: Reusable
  • Origin: China

Available Sizes (Diameter × Length)

  • 10 × 75 mm
  • 12 × 100 mm
  • 13 × 100 mm
  • 15 × 125 mm
  • 16 × 150 mm
  • 18 × 150 mm
  • 20 × 150 mm
  • 25 × 150 mm

Most commonly used sizes: 16×150 mm, 18×150 mm

Applications

Laboratory Use

  • Heating small quantities
  • Mixing and reaction testing
  • Sample storage

Educational Use

  • School and college experiments
  • Demonstrations

Industrial Use

  • Sample collection
  • Quality control testing

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