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 |
General Specification:-
1) Shellac coating – Gravure method
2) 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.