... PU sieve plate has the characters of light weight, long working life (2-3 times of stainless steel sieve pla PU sieve ... weight, long working life (2-3 times of stainless steel sieve plate, 3-10 times of metal sieve plate), low noise, corrosion ... resistance, good efficiency of dewatering, easy installation, etc. So it is the perfect product of coal and mineral processing. PU sieve ...