TABLE 3.
LCA cradle-to-gate of different impact categories per 1000 kg of fiber (functional unit) produced under different methods.
| Impact Category | Cotton Fiber | Tencel (lyocell) | Viscose Austria | Viscose Asia | Polyester |
| Water Use (m3) | 5730 1 | 263 2 | 445 2 | 319 3 | 125 3 |
| Energy Demand (GJ) | 55 1 | 65 3 | 70 3 | 106 3 | 96 3 |
| Global Warming (kg CO2-Equiv.) | 2000 1 | 50 3 | −250 3 | 3800 3 | 4100 3 |
| Acidification (kg SO2-Equiv.) | 41 1 | 13 3 | 14 3 | 45 3 | 21 3 |
| Eutrophication (kg phosphate-Equiv.) | 22 1 | 1.9 3 | 1.2 3 | 2.3 3 | 1.2 3 |
| Ozone Depletion (×10–3 kg CFC11 Equiv.) | 0.2 1 | 0.07 3 | 0.03 3 | 0.28 3 | 0.07 3 |
| Land Use (ha/year) | 1.07 1 | 0.22 3 | 0.69 2 | 0.35 3 | 0 4 |