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What are Paper Coatings?

What are Paper Coatings?

Paper Coatings are the coatings produced from the mixture of clay, latex and other substances. They are applied on the paper while paper is inside the paper making machine or after that. They are used to bring out properties like the weight, surface gloss, smoothness or reduced ink absorbency to the paper. Paper is coated using a compound or polymer like kaolinite, calcium carbonate, bentonite and talc. Water resistance , wet strength and protection from ultraviolet rays is also provided by the chemical additives containing coating. Paper coatings include varnish coating, aqueous coating, UV coating and film laminates. Paper coated using these coatings are reflective, smooth and holds out ink properly and it can produce sharper and brighter images.



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