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What is the effect of the oil on the kraft paper bag?

by:SWIFT     2021-04-13
Usually when we customize paper bags, white card or coated paper will be coated to increase the brightness and load-bearing, but kraft paper bags are not suitable for laminating because their surface is not as smooth as the first two papers, generally at most It will be coated on the inside and also play a waterproof role. Kraft paper will increase the brightness through oiling.


The over oil is divided into varnish and dumb oil like the film, which is to apply a layer of oil on the surface of the printed matter. Varnish can mainly improve the brightness of printed matter, and can be used for gift paper bags or toys and children's clothing paper bags; dumb oil gifts can make the paper bags more stable and high-end, such as some high-end clothing paper bags or business celebration paper bags can be considered.


In addition to the above functions, the oil can also protect the ink on the surface of the kraft paper bag, make the bag surface have a higher degree of smoothness, reduce the blurring of printing due to friction, and have a certain waterproof effect.
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