Textile Application - Industrial Coating Guide - Whitford Worldwide
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Knife over roller application

Knife over roller:

The coating is applied to the substrate then passes through a gap between a knife and a support roller. The gap between the knife and the fabric determines the coating thickness.


Knife over air application

Knife over air:

The knife is positioned away from the crown of the roller. Deposition weight and penetration of the coating into the substrate is controlled by position and angle of the knife.


With knife-coating methods, the outcome is influenced by blade type and angle as well as the substrate.


Dip/Padding application


In this process the substrate is dipped into a bath of the coating, passed through squeeze rollers to control the coating thickness, then carried through a series of ovens (either horizontally or vertically) for drying and curing.





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