Quality

 Surface protection film of 3 layer of 70-100 microns

 PVDF coating 30microns.

 Top aluminium skin of 0.5mm/0.25mm/0.20mm

 Dupont adhesive film of 3 layer of 70/50/30microns

 Polyethylene core of 3mm/(2.5mm or 3.5mm)

 DuPont adhesive film of 3 layer of 70/50/30microns

 Bottom Alumnimium skin of 0.50mm/0.25mm/0.20mm

 PE wash coat of 5-10 pm

 Online/Final inspection

 Periodic Product Performance tests

 Continuous visual check

 Hourly peel strength graphical analysis.

 Online peel strength checking by push pull gauge periodic checking of thickness, length manually