Alum Brite has been formulated for use as a cleaning- and brightening agent on aluminium surfaces. Alum Brite can be used on transportation equipment such as trucks, buses, and trailers where cleaning and brightening are needed.Care must be taken when using Alum Brite, as the solution will etch surfaces if exposed for prolonged periods. Immediately rinse Alum Brite from cement, ceramic, and glass surfaces. WHERE TO USE Aluminum – Controlled attack Stainless Steel – Mild Attack Steel, Brass, Copper, Zinc, Magnesium – Attacks Types of soil removed: Oil, light grease, road grime DIRECTIONSTransportation and other equipment: Dilute Alum Brite one (1) part concentrate on five (5) to ten (10) parts of water depending on the extent of the contamination. Spray or brush on the wet surface, working from bottom to top. Allow 3-5 minutes of contact time. Do not allow it to dry. Agitate with a long handle brush or broom. Rinse with a high-pressure spray. NB: ALUM BRITE CONTAINS PHOSPHORIC ACID AS A MINOR CONSTITUENT. WEAR PVC GLOVES, SAFETY GOGGLES & SUITABLE PROTECTIVE CLOTHING WHEN USING THE PRODUCT. KEEP OUT OF REACH OF CHILDREN.