Polyurethane-edged screen plates are excellent non-powered devices for filtering or recovering suspended solids, floating matter, sediments, and other solid or colloidal substances. They feature strictly uniform screen openings, precise screen opening dimensions, arbitrary screen opening selection, high open area ratio, high filtration accuracy, excellent screening and filtration process effect, robust structure, high temperature resistance, corrosion resistance, long service life, and easy maintenance. They can be processed into rigid screening and filtration devices of various shapes.