EKA400J is a flexible cloth back product. It is suited for drum sanding as well as hand sanding.
| Grain: | Aluminum Oxide |
| Backing: | J-Weight Cloth |
| Bonding: | Resin over Resin |
| Coating: | Semi-Open |
| Color: | Maroon |
| HW Hardwood | SW Softwood |
| PB Particle Board/MDF |
| 24 | 30 | 36 | 40 | 50 | 60 | 80 | 100 | 120 | 150 | 180 | 220 | 240 | 280 | 320 | 360 | 400 | 500 | 600 | 800 | 1000 | 1200 | 1500 | 2000 | 2500 |
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