Roller 1)Factory 2)hot melt glue applicator 3)Dual rollers 4)Mainly used for coating foam,cardpaper,shoe material with ... melt Roller Dual rollers hot melt glue applicator Application:Mainly used for coating foam ... industry, shoe making, bag industries. Features:1.Factory;2.Dual rollers;3.Semi-automatic;4.The upper roller could be dismounting ...