| basic thickness mm, | pattern of high mm, | Tolerance mm, | theoretical weight kg / m² | basic thickness | pattern high | 2.5 | 1.0 | ± 0.3 | +0.5 -0.2 | 21.6 | 3.0 | 1.0 | ± 0.3 | +0.5 -0.2 | 25.6 | 3.5 | 1.0 | ± 0.3 | +0.5 -0.2 | 29.5 | 4.0 | 1.0 | ± 0.4 | +0.5 -0.2 | 33.4 | 4.5 | 1.0 | ± 0.4 | +0.5 -0.2 | 37.3 | 5.0 | 1.5 | +0.4 -0.5 | +0.5 -0.4 | 42.3 | 5.5 | 1.5 | +0.4 -0.5 | +0.5 -0.4 | 46.2 | 6.0 | 1.5 | +0.5 -0.6 | +0.5 -0.4 | 50.1 | 7.0 | 2.0 | +0.5 -0.7 | ± 0.5 | 59.0 | 8.0 | 2.0 | +0.6 -0.8 | ± 0.5 | 66.8 |