Polyurethane fixed dressings which harden in the presence of moisture

摘要

In a dressing material for the production of fixed dressings, comprising a raschel knit fabric carrier coated and/or impregnated with a resin which hardens in the presence of moisture and contains isocyanate groups, the improvement wherein the raschel fabric construction is such that the ratio of the mean distance between two warp threads to the mean distance between two weft threads is less than about 1.5.