These 25mL graduated glass centrifuge tubes are typically designed with a conical bottom and a leak-proof screw cap for sample separation and storage. In South Africa, these are often supplied as Borosilicate 3.3 glass to ensure resistance to thermal shock and chemical corrosion.
Common Specifications
- Most laboratory-grade 25mL glass centrifuge tubes share these standard features:
- Dimensions: Typically ~24 mm in outer diameter and ~98–120 mm in length.
- Graduation: Usually features white, screen-printed 1.0mL markings for easy volume reading.
- Closure: Equipped with a polypropylene (PP) or Bakelite screw cap, often including a rubber liner or sealing ring to prevent leakage during high-speed spinning.
- Shape: Conical bottom is standard for pellet formation, though round-bottom versions also exist for specific centrifuge rotors.
Spesification
- Material: Clear 3.3 Borosilicate Glass
- Neck: Screw Cap
- Printing: White enamel markings (acid and scratch-resistant).
- Brand: JLAB
- Product of India