Centrifuge Tube Racks

Wells around 16mm suit micro tubes and 15ml conical tubes, while 30mm wells take 50ml tubes. A rack with both sizes covers a wider range without you buying twice.

Work out a typical batch and buy a rack with a few spare wells. Running two half empty racks takes more bench space than one that fits the job properly.

Polypropylene racks handle fridge and freezer storage without becoming brittle, and most autoclave safely. Confirm the rating before putting a loaded rack through a heat cycle.

Open moulded racks with drainage under each well rinse and dry far faster than closed designs that trap water in the base, which matters in a busy teaching lab.

Conical tubes taper to a point and have no flat base, so they cannot stand upright on their own. Without a rack they tip over and spill, which usually means losing the sample and starting the preparation again.

Multi-use racks are drilled with wells in more than one diameter, so a single rack takes 50ml conical tubes in the wide wells and micro tubes or small vials in the narrow ones.

Yes. Polypropylene stays tough at low temperature rather than going brittle, so a loaded rack can move straight from the bench into cold storage and back without cracking.

Most polypropylene racks autoclave safely, but check the temperature rating on the product first. Racks with open drainage dry much faster after a cycle than closed base designs.

They do the same job but are drilled for different tubes. A test tube rack has evenly sized round wells for straight walled tubes, while a centrifuge tube rack mixes well sizes to suit tapered conical tubes and micro tubes.