| abstract |
The present invention relates to a lightweight fabric consisting of continuous warp and weft and coated on one or both surfaces with polyurethane, wherein the bare fabric has a coverage rate TC of 1.8 to 4, preferably 2.6 to 3.2, Wherein the polyurethane is made of a polyether and polycarbonate having a 100% elongation tensile stress of 5 MPa or less and has an impregnation rate of 10% by weight or more, preferably 12 to 30% by weight, Is from 15 to 25% by weight and the fabric comprises the coating and has a weight of from 25 to 40 g / m < 2 >. The present invention also relates to a method of making such a fabric. The invention can be used particularly for flight sails, especially for para-gliders. |