Heat & Chemical Resistant Glass Test Tubes (Custom Sizes)

High-quality, new borosilicate glass test tubes—ideal for laboratory reactions. These hollow, flat-mouthed, round-bottom tubes (sealed ends) are crafted from special glass with optimal wall thickness, offering excellent heat resistance, thermal shock resistance, and chemical stability.

• Material: Borosilicate glass

• Color: Clear

• Standard Sizes (Diameter × Length):
  12mm × 100mm | 15mm × 150mm | 16mm × 100mm | 18mm × 150mm | 20mm × 200mm | 25mm × 200mm | 30mm × 200mm

• Note: Manual measurement allows 1–2mm tolerance. Custom sizes available.