Aqueous Coating, also referred to as the AQ coating, is a water based coating applied on the print surface. Like the varnish coating, it protects the print surface from rough-handling, scuffing during the transits and distribution.
The AQ coating is usually applied on all-over the printing surface of the box, which offers a better protection than the Gloss Varnish Coating. The Spot AQ coating are not very common due to the high costs and worse sharpness of the print color than the Spot UV.
The Aqueous coating dries immediately on the production line. One one hand, it shortens the turn-around time, making it very ideal for the short-run printing. On the other hand, the blemish to the print during the drying process in the traditional coating is avoided due to the instant drying. Aqueous coatings help hide the surface flaws and roughness in the blank areas of cheap papers.
Beside the print protection, the Aqueous coating has also some special characteristics.
The AQ coating or varnishing is widely used on the litho-laminated E flute corrugated printed box. It gives the custom paper box a glossy or matte look outside.
Like the glossy varnishing, the glossy AQ coating makes the custom paper box have a shiny, glossy and smooth look.
The matte AQ coating gives the paper printed box a matte look outside. It is like the matte varnishing, which softens and flattens the images slightly and adds a feeling of luxury.
The matte black corrugated printed box is covered in a soft touch aqueous coating, with a high-gloss spot UV applied on the radio itself, as well as a few specified areas such as the side of the box.
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