Ratiolab® Centrifuge Tubes are made of Polypropylene (PP) and are available with the following features:

- either conical bottom or self-standing

- available as non-sterile or sterile

- sterile centrifuge tubes are certified to be free from RNase, DNase, Endoxin, Pyrogen and ATP

- printed graduations and frosted writing field

- with red Polyethylene (HD-PE) screw cap

-  can withstand temperatures between -80 °C and 121 °C

- centrifugable up to 11000g

• free from heavy metals