Schedule 3 AGREED ALLOWANCES TO BE APPLIED IN DETERMINING THE FIBRE PERCENTAGES OF A TEXTILE PRODUCT
Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:
| Fibre No. in Schedule 2 | Fibres | Percentages |
| 1–2 | Wool and animal hair: |
| combined fibres | 18.25 |
| carded fibres | 17.00 |
| 3 | Animal hair: |
| combed fibres | 18.25 |
| carded fibres | 17.00 |
| Horsehair: |
| combed fibres | 16.00 |
| carded fibres | 15.00 |
| 4 | Silk | 11.00 |
| 5 | Cotton: |
| normal fibres | 8.50 |
| mercerised fibres | 10.50 |
| 6 | Kapok | 10.90 |
| 7 | Flax or linen | 12.00 |
| 8 | Hemp | 12.00 |
| 9 | Jute | 17.00 |
| 10 | Abaca | 14.00 |
| 11 | Alfa | 14.00 |
| 12 | Coir | 13.00 |
| 13 | Broom | 14.00 |
| 15 | Ramie (bleached fibre) | 8.50 |
| 16 | Sisal | 14.00 |
| 16a | Sunn | 12.00 |
| 16b | Henequen | 14.00 |
| 16c | Maguey | 14.00 |
| 17 | Acetate | 9.00 |
| 18 | Alginate | 20.00 |
| 19 | Cupro | 13.00 |
| 20 | Modal | 13.00 |
| 21 | Protein | 17.00 |
| 22 | Triacetate | 7.00 |
| 23 | Viscose | 13.00 |
| 24 | Acrylic | 2.00 |
| 25 | Chlorofibre | 2.00 |
| 26 | Fluorofibre | 0.00 |
| 27 | Modacrylic | 2.00 |
| 28 | Polyamide or Nylon (6–6): |
| discontinuous fibre | 6.25 |
| filament | 5.75 |
| Polyamide or Nylon 6: |
| discontinuous fibre | 6.25 |
| filament | 5.75 |
| Polyamide or Nylon 11: |
| discontinuous fibre | 3.50 |
| filament | 3.50 |
| 29 | Polyester: |
| discontinuous fibre | 1.50 |
| filament | 1.50 |
| 30 | Polyethylene | 1.50 |
| 31 | Polypropylene | 2.00 |
| 32 | Polycarbamide | 2.00 |
| 33 | Polyurethane: |
| discontinuous fibre | 3.50 |
| filament | 3.00 |
| 34 | Vinylal | 5.00 |
| 35 | Trivinyl | 3.00 |
| 36 | Elastodiene | 1.00 |
| 37 | Elastane | 1.50 |
| 38 | Glass fibre: |
| filament with a diameter of over 5 microns | 2.00 |
| filament with a diameter of 5 microns or less | 3.00 |
| 39 | Metal fibre | 2.00 |
| Metallised fibre | 2.00 |
| Asbestos | 2.00 |
| Paper yarn | 13.75 |