WP 55 BK Discs with paper backing, self-fastening for Varnish, Filler, Filling compound, Gel coats, Plastic
Properties
| Bonding agent | Resin |
| Grain | Aluminium oxide |
| Coating | Semi-open |
| Backing | B-paper |
Materials
| Varnish | |
| Filler | |
| Filling compound | |
| Gel coats | |
| Plastic |
Advantages: Very good grinding performance and a homogeneous grinding pattern due to special aluminium oxide grain - High flexibility and tear resistance due to latex-impregnated B-paper backing