Microcentrifuge tubes from Celltreat® are available in three sizes; 0.5mL, 1.5mL and 2.0mL. A 2mL self-standing version with a conical bottom is also available. Tubes have an attached flat top cap, engraved graduations and are manufactured from high quality polypropylene. With a frosted marking spot. The tubes have a temperature range of -80°C to 120°C. Microcentrifuge tubes have a maximum (RCF) of 16,000g and are packaged in easy opening plastic bags. All microcentrifuge tubes with the exception of self-standing tubes are supplied sterile (gamma irradiated).