AT-90 is a general purpose air tool lubricant suitable for all air tools. AT-90 air tool lubricant can be mixed with all mineral based lubricants without draining the system. AT-90 is specially formulated for excellent air release quality. AT-90 air tool lubricant resists the absorption of water which results in low foaming ability. This product is designed to atomise readily in automatic lubricators. AT-90 keeps air tools clean and lubricated on a daily basis. AT-90 lubricant will prevent corrosion and possible failure.