is generally used in the paper trade to characterize the inherent strength of paper. . Permanent paper can resist large chemical and physical changes over and extended time (several hundred years). 2 Chloride papers edit Popular in the past, chloride papers are nowadays unusual; a single manufacturer produces this material. Panchromatic papers can also be used to produce paper negatives in large-format cameras.
Photographic paper - Wikipedia
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These papers are coated with a mixture of two or three emulsions, all of equal contrast and sensitivity to blue light. 5.9 Below Color The quality of light given john nash non cooperative games thesis off by a sheet as described by its hue (tint saturation (strength and value (darkness or lightness). . Postage stamps are printed on wire side and then gummed on felt side, where the smoothness is helpful for attaining an even application. Long and flexible fibers provide high folding endurance. Smoothness of the paper will often determine whether or not it can be successfully printed.