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Description

For Evaluating Mottle, Holdout and Porosity of Uncoated Paper
This testing ink provides a simple and rapid way of monitoring batch-to-batch variations in paper structure and porosity. Uncoated paper, being low in holdout, require a low penetration ink, such as TK-21, to avoid excessively strong color that would overwhelm any mottle or holdout distinctions.

 

Test Procedure: Spread the ink on the paper to be tested using a spatula or drawdown applicator. After one minute remove the ink by first scraping off most of it with a straight edge, then wiping away the remainder carefully with a clean paper towel. The resultant test pattern is characterized visually for mottle and porosity.

Item TK-21 Low Penetration Leneta Paper-Testing Ink for Uncoated Paper

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