Test Tubes, Borosilicate Glass 3.3, with Beaded Rim, Medium Wall, 21 mL, 1.2 mm

Test Tube, Borosilicate Glass 3.3, Beaded Rim, Medium Wall

Application
Suitable for general laboratory use such as chemical reactions, sample storage, and pretreatment steps. Commonly used in research, analytical, and educational settings.

Product details

• Material: Borosilicate glass 3.3
• Volume: 21 mL
• Inner diameter: 16 mm; Wall thickness: 1.2 mm
• Length: 150 mm
• Medium‑wall, round bottom with beaded/fire‑polished rim
• Sterility: Non‑sterile
• Autoclavable

Key features

• Thick‑walled, chemically resistant borosilicate ensures durability and minimal pH drift
• Beaded rim provides chip and crack resistance, suitable for stirring and rack use
• 150 mm length supports use in heating blocks or water baths
• Medium wall balances mechanical strength with thermal shock tolerance

Chemical information / Safety
Borosilicate glass is chemically inert and heat-resistant. Avoid sudden temperature changes and physical impacts. Inspect visually for chips or cracks before use.

Product Code: 17901152