Aluminum sheet metal polishing is a process used to enhance its appearance, improve corrosion resistance, and prepare the surface for further treatments like anodizing or painting.
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Material |
Carbon steel, stainless steel,SPCC, SGCC, pipe, galvanized steel , aluminum alloy |
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Processing |
Laser cutting, Bending, Welding, Precision stamping, CNC Punching, Threading, Riveting, Drilling, Assembling, etc. |
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Thickness |
0.2~20 mm |
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Tolerance |
+/-0.1mm, 100% QC quality inspection with quality inspection form |
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Surface Treatment |
Powder coating, Anodizing, Polishing, Brushing, Sandblast, Plating, Silkscreen printing, Zinc chromate, Black Oxide |
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Drawing Format |
DWG, STEP, SLDPRT, DXF, IGS, 3DS, STL, SKP, AI, PDF, JPG, Draft |
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Packing |
Wooden Pallet, Wooden case, Bubble wrap, Paperboard, Film, Crate, etc.(As customers' requirement) |
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Sample Lead Time |
Negotiate delivery time according to your needs |
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Quotation is according to your drawing(size, material, thickness, processing content, and required technology, etc) |
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Product Cases
Here's a step-by-step guide to achieving a smooth, reflective finish for aluminum sheet metal polishing
1. Safety Precautions
- Wear PPE: gloves, safety glasses, and a respirator (if dry polishing or using chemicals).
- Work in a well-ventilated area to avoid inhaling aluminum dust.
2. Cleaning the Aluminum
- Remove dirt, grease, and oxidation using a degreaser or mild detergent.
- Rinse with water and dry thoroughly.
3. Sanding (For Deep Scratches or Rough Surfaces)
- Start with coarse grit sandpaper (e.g., 120-220 grit) to remove imperfections.
- Progressively move to finer grits (320 → 400 → 600 → 800 → 1000+) for a smoother finish.
- Always sand in one direction to avoid swirl marks.
- Wet sanding (using water or lubricant) helps prevent clogging.
4. Polishing the Aluminum
Option A: Hand Polishing (Small Areas)
Option B: Machine Polishing (Large Sheets)
5. Final Finishing
- For a mirror finish, use a high-gloss metal polish and a soft buffing wheel.
- Clean with isopropyl alcohol to remove any remaining residue.
6. Protective Coating (Optional)
- Apply a clear coat, wax, or anodize the aluminum to prevent oxidation.
Packing&Shipping
Package By carton/crate or as per your requirement
