| Component | Antimony | ± | Arsenic | ± | Bromine | ± | Cadmium | ± | Chlorine | ± | Chromium | ± | Iron | ± | Lead | ± | Mercury | ± | Sulphur | ± | Tin | ± | Zinc | ± | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black Backing | 0 | 13 | 0 | 1 | 7 | 1 | 0 | 3 | 1,749 | 1020 | 0 | 8 | 128 | 17 | 0 | 1 | 0 | 1 | 0 | 2163 | 0 | 9 | 310 | 12 | |
| Felt Backing | 0 | 24 | 0 | – | 2 | 1 | 0 | 4 | 1,695 | 423 | 0 | 2 | 9 | 2 | 0 | 1 | 0 | 1 | 0 | 660 | 17 | 18 | 0 | 1 | |
| Intact Backing | 0 | 25 | 0 | – | 0 | – | 0 | 5 | 0 | 474 | 0 | 2 | 7 | 2 | 0 | – | 0 | 1 | 0 | 845 | 116 | 30 | 0 | 2 | |
| PU backing | 0 | 22 | 0 | – | 0 | – | 0 | 5 | 20,205 | 1532 | 0 | 2 | 17 | 3 | 0 | 1 | 0 | 1 | 0 | 712 | 174 | 36 | 0 | 2 |
Unless otherwise indicated, the above results are in parts per million (PPM) of a given chemical.
