Siegling Extremultus – Type key
| Top face/friction coating/tension member | |
| E | polyester |
| A | aramide |
| G | elastomer G |
| P | polyamide |
| T | mixed or polyamide fabric |
| U | polyurethane |
| N | polyester nonwoven |
| L | chrome-leather |
| S | special structured |
| Properties | |
| HP | precise ground texture |
| TEX | exceptionally low noise |
| GL | smooth |
| HC | high conductivity |
| FSTR | fine structure |
| LF | low friction |
