The 3M Hookit blue abrasive sheet rolls 321U delivers best-in-class performance at every stage of paint prep and coatings removal. Premium aluminum oxide mineral is blended with ceramic grain for a full range of sanding applications. A specially-designed multi-hole pattern captures dust, reduces loading and extends sheet life. Perforated Hookit sheets are easily sized to reduce product waste.
Features:
| Manufacturer Part Number | 7100091074 |
| Legacy SKU | UU004899926 |
| Vacuum Support | Yes |
| Overall Length (Inch) | 13.0 yd |
| Overall Length (mm) | 11.8872m |
| Overall Width (Inch) | 2.75" |
| Overall Width (mm) | 69.85mm |
| Micron Grade | Non Pertinent |
| Product Form | Sheet Roll |
| Product Number | 321U |
| Sanding Method | Machine |
| Sanding Type | Dry |
| Grade | Non Pertinent |
| Grit | 400 |
| Performance Level | Better |
| Product Color | Blue |
| Color Family | Blue |
| Coat Type | Closed Coat |
| Backing Weight | C Weight |
| Backing Material | Paper |
| Attachment Type | Hook & Loop |
| Abrasive Material | Ceramic Aluminum Oxide |
| Application | Featheredging, Paint Sanding, Multi-Purpose Sanding, Surface Preparation, Surface Preparation for Painting, Coat Blending, Filler Shaping, Sanding, Primer Sanding, Refining Compound Scratches, Sanding Filler, Weld Grinding, General Purpose Sanding, Finishing, Paint Preparation, Paint Removal,"termediate Sanding, Repairing Large Area Paint Defects, Machine Sanding, Clear Coat Blending |