JA512 is the standard product for metal working. It is a J-weight polyester / cotton blend backed material. It is A/O closed coat and grits are 60 to 600. JA512 is ideally used for narrow sanding belts.
| Grain: | A/O |
| Backing: | J Weight Poly Cotton Cloth |
| Bonding: | Resin over Glue |
| Coating: | Closed |
| Color: | Maroon |
