This microcentrifuge tubes is made of polypropylene with attached lid provides a tight, leakproof seal.
- Leak tested to 20000 RCF for 20 minutes at 20 °C with an aqueous solution
- Lid membrane is uniformly thick to ensure trouble free piercing
- With frosted writing area and graduations
Packaging: Supplied 1000 per case, 2 bags 500 each.