50ml Centrifuge Tube Pack | Screw Cap, Flat Bottom | -80C to 121C

This pack of 50ml plastic centrifuge tubes has transparent walls with printed graduations, a blue screw cap and a flat base so each tube stands upright on the bench. The listing gives a working range of -80C to 121C, and the tubes can be autoclaved at 121C, which suits routine sample handling in the laboratory, school science room, food testing and brewing. Features and benefits: - 50ml capacity with printed graduations along the side - read volumes straight off the tube, numbered up to 45 in 5ml steps - Screw cap closure - the seller describes good sealing, so samples stay in the tube during transport and spinning - Flat bottom, free-standing - tubes stay upright on the bench without a rack for quick filling and labelling - Smooth, transparent plastic walls - clear view of the contents and the fill level - -80C to 121C temperature range, autoclavable at 121C - from cold storage to steam cleaning - White writing area on the side - mark sample names and dates directly on the tube - Made for use with centrifuges - suited to spinning samples in laboratory analysis Applications: - Sample collection, storage and transport in the laboratory - Spinning samples in a centrifuge - Preparing solutions and measuring volumes in school and college labs - Food, cosmetics and brewing sample handling in the workshop In the box: The description states 20 x screw cap flat bottom centrifuge tubes. The attribute list shows a sale unit of 2 pcs, so check the pack count shown at checkout. Note: Load tubes in balanced, opposite pairs and check the rotor and speed rating of your centrifuge before use. Measurements were taken by hand, so allow a small tolerance, and screen colours may differ slightly from the real product.