PRESS JACKET FOR A PRESS ROLLER
The invention relates to a press jacket for a press roller, in particular for a press roller of a shoe press for dewatering a fiber web, in particular a paper, cardboard, tissue, or cellulose web, or a conveyor belt, in particular for a machine for producing or treating a fiber web, in particular a paper, cardboard, or tissue machine. The press jacket comprises at least one polyurethane-containing layer which contains a polyurethane matrix with a mixture of at least two prepolymers, each prepolymer being a reaction product of two different polyols with a polyisocyanate.