Pressure Washer Detergent - Transportation Specialty Products These products are dedicated for particular painted, aluminum, polished aluminum or metal surfaces. Our transportation specialty products are delicately balanced to power through vehicle grime. Rust and corrosion inhibitors are Accu-Blended to protect vehicle exteriors. Formulated for high pressure cleaning. May also be used in low pressure or as a pre-spray. You have a choice of application methods.