Chemical and corrosion-resistant steel wire test tube rack is coated with heat-cured epoxy for long life and easy cleaning.Epoxy coatings are unaffected by organic solvents, salts, weak acids and weak alkalisTemperature range: -223 °C (-369 °F) to 121 °C (250 °F); autoclavableAll racks have square holes, three decks, a slotted grid bottom and reinforced edges