THE COATING PROCESS
In the coating phase, a slight adhesive layer is applied to different types of backing wound up in big size coils called jumbo rolls. The adhesive coated coils have a width ranging between 1.000 to 1.800 mm., with lengths up to 12.000 m.

 

 

Schematically, the coater consists of:

• unwinder of the film coils;
• adhesive coating cylinder;
• ovens tunnel for the adhesive drying;
• coils winder.

 Spalmatura

The application of the different types of adhesive (solvent, acrylic and hot melt) must be done by technically fitted coaters.
The most elaborate coaters are those using solvent base adhesive.
The coaters of acrylic adhesives in water base are simpler technically and benefit from productive flexibility, while those using thermoplastic adhesives (hot melt) combine high production yield with economic energy consumption.