... sieve 3PU screen plate 4 sieve size 0.1-80mm Polyurethane vibrating screen deck: Flexible polyurethane sieve is a plate, it has ... coke, coal, petroleum, chemical industry shaker washing grading operations. Polyurethane sieve pore shape are comb, square holes, long holes, hole ... -resisting, oil-resisting and long-lasting.(2)The polyurethane sieve plate is much lighter than the similar size steel sieve ...