... hot melt coating machine is suitable for producing double-side tapes,duct tapes , double-side sponge adhesive tape, HOT MELT COATING MACHINE ... hot melt coating machine is suitable for producing double-side tapes,duct tapes , double-side sponge adhesive tape, clean adhesive tape, ... guaranteed high-quality coating quality.5.the adhesive proof coated layer with the glue melting box effectively prevent ...