... double-sided multi-layer circuit board surface cleaning polishing. Non-woven brush rollers of all types,made of Japanese double ... trade brands of ( ZHD ) & ( Rain ) includes wide ranges of non-woven abrasive brush, flap wheels, sheets, disc, unitized wheel, strip-off ... AND CLEAN PRINTING INK,EPOXY RESIN AND OXIDE FILM.NON-WOVEN ABRASIVE BRUSHGRAND60#2000#OUTER DIAMETER4"16"LENGTH10"64"HARDNESSSOFT/ ...