... ,CR,EPDM,Slicone,Viton,IIR bearing rollerfunction:used for matallurgy,mine,dock,printing and dyeing industry,plastic etc. ... resistant, anti-aging, heat resistance is also good for printing, printing and dyeing, chemical fiber, paper, packaging, plastics processing ... resistance (170 ), good acid, and applied to color printing machinery, tanning machinery, coating equipment.* EPDM rubber roller: ...