PPG SX533/04 Chemfil Aluminum Cleaner Phosphoric Acid Surface Prep

The PPG Chemfil SX533/04 Aluminum Cleaner is a professional-grade, phosphoric acid-based cleaner, brightener, and prepaint conditioner formulated specifically for aluminum substrates. Widely used in collision repair, bodywork, and metal fabrication, SX533 deep-cleans and brightens bare aluminum surfaces in preparation for welding, painting, or further chemical treatment.

Key Features:

• Phosphoric acid-based formula effectively removes oxidation, contaminants, and surface soils from aluminum
• Cleans and brightens aluminum in a single step, restoring surface clarity before finishing
• Clear liquid formulation for easy application and rinse-off
• Compatible with follow-on chemical conditioning — recommended as the first step when using SX503 Chemfil Aluminum Conditioner in a two-step surface preparation process
• Apply with an acid-resistant brush for best results; rinse thoroughly with water after treatment
• Part of the PPG Chemfil SX Metal Treatments product family, including SX503, SX520, and SX579

The SX533/04 is sold in a quart (04) container size, making it ideal for shop use. It is an essential product in any professional aluminum surface preparation workflow prior to painting or welding.