CarPro - Car Care Products - Iron X Paste - 150 g Description Clings to vertical surfaces Long dwell time to work as long as needed to remove iron and brake dust spots. Safe to use, Acid Free, and pH neutral (pH 6-7). Safe to use on Aluminum, Chrome, Anodized, Alloy, or Clear coated wheels. This formulation is also effective and safe for use on all car surfaces and will not deteriorate clear coats. Iron X Paste prevents the spread of iron-related damage & helps to protect your vehicle from paint system failure. Economically priced - A little spreads a long way