Latest technology pH neutral water based formulation. Not classified as hazardous under CLP Regulations. Dilute 1:4 to 1:20 with water for use. Effective use at ambient temperatures or warm to 70°C Pulls the rust from the parent material and absorbs into the solution. Does not attack aluminium, brass, copper and most alloys. Great for rusted parts on alloy engine components. Built in rust inhibitor to protect against flash rusting. Use in ultrasonic or spraywash machines for improved faster results. For extra large components use a waterfall setup. !!<>!!Click our facebook link to top right of page to check out some pictures of sample work.!!<>!!