3" 75mm Trizact Hookit Foam Disc Wet & Dry Spong Sandpaper Disc 320-8000 Grit Polishing Buffer Sanding Paper Abrasive Tools

3“ Trizact Hookit Foam Disc 10pcs

Feature:

This sponge sandpaper is used for industrial production, used to polish the phone shell, computer shell and other rough products.Please note it does not support personal polished phone and computer shell.

It has a good grinding effect on shells of ABS, PC, PC + GF, aluminum Alloys and other materials, specially suitable for fine grinding. Sanding process: remove burrs, repair scratches on the surface, fine grinding.

Industrial-Grade Sponge Sandpaper for Precision Grinding

Designed exclusively for industrial production lines, this sponge sandpaper is engineered to polish rough surfaces of smartphone casings, computer enclosures, and other high-volume manufactured products.

Premium Grinding Performance for Diverse Materials

With exceptional abrasive efficiency, the sandpaper excels in finishing:
Engineering Plastics: ABS, PC, PC + GF (Glass Fiber Reinforced)
Metallic Substrates: Aluminum alloys, magnesium-aluminum composites
Ideal for fine-grinding processes, it delivers three key functions:
Deburring: Removes sharp edges and manufacturing burrs
Surface Repair: Smooths out scratches, tool marks, and texture inconsistencies
Fine Polishing: Achieves uniform matte or semi-gloss finishes for aesthetic appeal

Technical Advantages for Industrial Applications

Sponge-Backed Design: Combines flexibility with consistent pressure distribution, conforming to curved or complex geometries of casings
Graded Abrasive Grit: Available in fine to extra-fine grits (e.g., 3200#–8000#), tailored for progressive grinding stages
High Durability: Resists clogging and degradation during prolonged use on automated polishing equipment

Specification:

Model: Sponge Sandpaper

Size: 3 inch(75mm)

Material: sponge

Grain: Trizact abrasive

Grit: 320 400 600 800 1000 1200 1500 2000 2500 3000 5000 8000

Quantity: 10pcs
​Assorted:2 PCS of 320 800 1500 2000 3000 Grit，Total 10 PCS