UOF SCRAP SCRAP STEEL FILTERS : DENSELY COMPRESSED STEEL FILTERS, COMPOSED FROM USED aUTOMOTIVE AND TRUCK FILTERS. uSED AS SWEETNER IN usa STEEL MILLS. oIL HAS BEEN SQUEEZED OUT UNDER HIGH PRESSURE THE LOW REIDUAL LEVE OF USED OIL FILTER INDICATES THAT UOF SCRAP CAN BE USED A SWEETNER TO DILUTE THE RESIDUAL CONTENTS OF LOWER QUALITY SCRAP. TYPICALLY THIS MATERIAL IS BEST USED BY THOROUGHLY MIXING WITH HMS FEED STOCK PRIOR TO CHARGING FURNANCE. Show More