
Blackening Chemicals For Brass
Metal cleaning chemicals are used to remove rust, grease, oxides, scale, and other contaminants from metal surfaces. The choice of chemical depends on the type of metal, the type of contamination, and the desired finish.
* Types of Metal Cleaning Chemicals
1. Degreasers (Oil & Grease Removal)
Used to remove oils, grease, and dirt before painting, plating, or coating.
🔹 Alkaline Degreasers (For Ferrous & Non-Ferrous Metals)
- Sodium Hydroxide (Caustic Soda)
- Potassium Hydroxide
- Trisodium Phosphate (TSP)
🔹 Acidic Rust Removers (Fast-Acting)
- Phosphoric Acid (Converts rust into iron phosphate)
- Hydrochloric Acid (Muriatic Acid – aggressive)
- Sulfuric Acid (Strong but corrosive).