The Paper Selection Checklist
We highly recommend that you look at printed samples when evaluating the following paper characteristics. Only when a dot pattern is on the paper can comparisons be made. Contact your Lange Sales Rep or click here to request printed samples of papers that you are considering.
BRIGHTNESS
The paper's ability to reflect a volume of light.WHITENESS
The ability to reflect all colors of light equally.HOLDOUT
Holdout refers to a paper's ability to hold ink on the surface consistently, so that it will dry in a sharper, more clearly defined dot and produce higher ink gloss. When ink is absorbed into the sheet, it spreads, creating a phenomenon referred to as "dot gain."OPACITY
The ability to hold an image without its showing through the other side of the sheet. There are two types of opacity: "apparent opacity" refers to the actual opacity of the unprinted paper itself; "printed opacity" is affected by holdout, in that the lessened opacity is actually caused by absorption of ink. As ink is absorbed into a sheet of paper the printed opacity of the page decreases, causing the image to show through on the back.SMOOTHNESS
The even and consistent continuity of the surface.FINISH
Ascertain the appropriateness of the paper's finish to the desired end result. For example, a gloss finish offers the ultimate in reproduction detail, while dull and matte finishes offer easier reading for large quantities of text.RUNABILITY
Each grade of paper behaves differently on press. A paper's ability to absorb ink uniformly (absorbency), printed ink gloss (holdout), dimensional stability, and surface texture are all important factors to consider when preparing your design. For example, a paper with excellent opacity will present crisp, full-color images without "showing through" on the back of the sheet, and can provide more flexibility when designing and laying out the printer's form.
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GUIDE TOPICS
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The Basics: Grade Comparison
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