Sifter Parts & Service, Inc. recommends use of its FDA-approved polyurethane screen cleaning balls and cubes to prevent sifter screens from clogging with product. Polyurethane balls are more abrasion resistant than screen cleaners made of other materials and provide a longer life. Unlike rubber or neoprene, the company’s Polyballs are nonporous and resist oil, moisture and chemicals. The addition of a stainless steel core to the ball and cube make them both magnetic and metal detectable. Polyballs range in diameter from ? to 2 in.
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