Securely hold a full load of test tubes or centrifuge tubes for 13, 16, 20, 25 and 30mm diameter sizes with Thermo Scientific™ Nalgene™ Unwire™ test tube racks. Moulded in a single piece for exceptional strength and durability, these racks have no coating to chip, peel or rust.
- Smooth finish leaves fewer places for contaminants to lodge; no welds to break, no sharp edges
- Endplates accept large labels for easy identification of samples
- Higher specific gravity than water so it stays submerged in a water bath and won't float
- Withstands most lab chemicals and temperatures up to 121°C for a variety of lab procedures
- Available in six bright colours to help keep samples organised
- 15mL conical tubes fit 20mm racks; 50mL conical fit 30mm racks
- No assembly is required; rack is ready to use
This product has met the following criteria to qualify for the following awards:
 | Sustainable Product Manufacturing | - Made in a facility which runs on >90% renewable energy
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To find out more about our Sustainability Attributes, click here.