Application:-

V.M.C.H. Coating on Aluminium Foil, and to apply a thin coating of Shellac on Reverse Foil Surface in a Single Operation. To produce Aluminium Blister Pack and Lid Foils.

Technical Specification:-

Materials to be processed Hard Aluminium Foil
Working Width Upto 1500 mm
Mechanical Speed 100 Mpm
Primer Coating GSM 0.15 – 0.50
PVDC Coating GSM 10.00- 12.00

  • Shellac coating – Gravure method

  • V.M.C.H coating -- three roll coating system / Gravure method/ Pneumatic application for pressure roller, Doctor Blade, drying hood and Nip unit.

  • High velocity VMCH drying system equipped with insulated drying tunnel of appropriate length

  • Shellac drying system equipped with insulated drying tunnel of total specific length

  • VMCH tunnel is distributed in heating zones & cooling zone having individual air blower for better temperature control.

  • Top (VMCH) dryer rollers are of Teflon coated to protect lacquer shifting from coated foil.

  • Separate air blower for shellac wash unit

  • Air nozzles distribute uniform not air across the wash width and are placed against idle rollers for proper web support

  • Air volumes can be controlled by manual dampers or individual blower with drive

  • Micro gap adjustment between bath roll and application roll (manual/servo based) for coating weight control.