Example:
KP80E
1. Stelle: K = Corundum
2. Stelle: P = Paper
3. Stelle: 8 = Dense coated
4. Stelle: 0 = Synthetic resin
5. Stelle: E = E-paper (from approx. 220 up to 270 g)
1st Digit
Grain specification
| Corundum | K |
| Silicon | S |
| Zirkonia / Corundum | Z |
| Special | L |
| SG-ceramics | G |
| None | O |
| Graphite | C |
2nd Digit
Backing
| Paper | P |
| Cotton fibre | T |
| Combination | K |
| Other | Q |
| Fibre | N |
| Paper - waterproof | R |
| Synthetics - waterproof | U |
| Cotton - waterproof | W |
| Felt | F |
| Fleece | E |
| Foam rubber | G |
| Fleece / cotton Comibination | H |
3rd Digit
Coating
| Open coated | (1,3,5,7) |
| Dense coated | (2,4,6,8) |
| Uncoated | 9 |
4th Digit
Bond
| Spezcial | 1 |
| Synthetic resin | 0, 2, 8 |
| Hide glue | 3 |
| Hide glue / stearate | 4 |
| 3. coat | 5 |
| Synthetic resin / Stearate | 6 |
| free | 7 |
| free | 9 |
5th Digit
Paper thickness
| 85g | A |
| 85 bis 110g | B |
| 110 bis 135g | C |
| 135 bis 160g | D |
| 220 bis 270g | E |
| 270 bis 350g | F |
| 350 bis 500g | G |
| 500g | H |
Fibre types
| Polyester heavy, segmentable | SY |
| Polyester heavy | Y |
| Polyester light | R |
| X-Cotton | X |
| X-Cotton (flex) | XF |
| J-Cotton | J |
| JFF-Cotton (super flex) | F |
| Combination light | L |
| Segmentable fibre | S |
| Fibre 0,4 mm | N |
| Fibre 0,6 mm | T |