Posted on :- 15 Apr 2024

Description

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.