What you need to know about these two paper traits and how they affect your printing paper brightness and whiteness are two important factors when considering paper. Brightness of paper is important to determine and understand because the brightness of paper will directly affect the print quality and color of a job brightness is. There is more to paper than meets the average eye for something that is so common, it can have a great affect on how colour is perceived on printed products paper. Paper category product code weight brightness page hp inkjet paper inp202070 24 lb 92 4 hp color inkjet paper hpk115 hpk400 24 lb 96 4 hp bright. Bleaching of wood pulp is the chemical processing carried out on various types of wood pulp to decrease the color of the pulp paper brightness.
Brightness and whiteness are not the same thing brightness is the measure of the amount of light reflected from the surface of a sheet of paper -the quantity of light. Explanation of cie whiteness, tappi brightness and cie lab shade use in defining paper characteristics inculding measurement and the use of optical brightening agents. The tappi t 579 brightness test determines the brightness of white, near-white, and naturally colored pulp, paper, and paperboard. The tappi t 452 brightness test is used for the determination of the brightness of white, near-white, and naturally colored pulp, paper, and paperboard.
The higher the brightness rating, the sharper the print color documents should be printed on office paper with a minimum 96 brightness general office documents only. Shop to save big on 92 brightness copy paper & more at office depot officemax visit online or in-store for unbelievable deals on 92 copy paper today.
Measuring brightness the three most commonly today ¯ tappi - original standard, most common - indoor lighting plus some filtered daylight (tinted windows. Coated stock and brightness the brightness of a given paper has an enormous influence on the vividness of images and illustrations the brighter the paper, the more. D985-97(2007) standard test method for brightness of pulp, paper, and paperboard (directional reflectance at 457 nm) (withdrawn 2010.