Rust forms when iron particles on a metal surface combine with water and oxygen. Soda blasting gently removes the resulting metal flakes and provides temporary rust protection.
Identification
Soda blasting uses calcium chloride, commercially known as baking soda, to remove sealant, wax, paint and rust. Calcium chloride particles are smaller and less abrasive than the silica particles used in sand blasting, reducing the damage to the undersurface. In addition, the gentle nature of soda blasting allows the removal of rust from around glass surfaces without covering the glass.
Rust Removal
Soda blasting removes light surface rust, but is not abrasive enough to remove rust embedded in the metal surface. For severely rusted metal, use soda blasting for initial rust removal, and then use sandpaper or steel wool for any patches of rust that remain.
Benefits
The residue of calcium chloride left behind by soda blasting prevents further metal oxidation. The metal will remain rust free for up to six months if stored in a dry environment.
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