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- Heat and air are the two main components utilized to dry the water-based coating. Because water evaporates best in contact with low humidity air, successful printers emphasize maximum air flow rather than heat to achieve maximum dry speed of aqueous coatings.
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Composition: Aqueous coatings are water-based, while UV coatings require special resins cured by ultraviolet light. Drying Process: Aqueous coatings dry through evaporation, while UV coatings solidify instantly under UV light.
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Heat and air are the two main components utilized to dry the water-based coating. Because water evaporates best in contact with low humidity air, successful printers emphasize maximum air flow rather than heat to achieve maximum dry speed of aqueous coatings.
Extended delivery, allowing added drying time, combined with hot, warm, and ambient air knives, and I-R emitting dryer systems are proven to be able to evaporate great quantities of water quickly. High volume air movement is essential to drying 60%-70% water containing aqueous coatings.
Fast-drying aqueous coatings have given the sheetfed offset printer the ability to seal oxidizing sheetfed inks in-line and move on to further processing. This, without waiting for the underlying, still wet, inks off-line time to dry thoroughly.
Aqueous coating is immensely popular, due in large part to it being one of the most economical coating options. Because Aqueous coating is water-based, it dries quickly and is very environmentally-friendly. It is recyclable and biodegradable. Aqueous coating is intended for use on coated stocks.
Mar 14, 2024 · Aqueous coatings are generally more eco-friendly than varnish because they dry quickly without the need for additional drying. It is done by using hydrophilic rollers but the varnishnig is done by using blankets and plates.
