China Pu Silicone Rubber Sieve Ball For Vibrating Screen
. product description. food grade pu silicone rubber sieve ball for vibrating screen cleaning. -high efficiency linear vibrator mechanical separator. rubber sieve balls are made of natural rubber (nr), silicone, nitrile (nbr), epdm and tpu. in three dimensions with a diameter of 20 mm, 30mm and 40.