Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Inks & oils Blue Microcontour test ink Blue Microcontour test ink, used to determine the smoothness of paper. Inks & oils IGT Fluff test ink Test ink for testing paper for loose and weakly bound paper particles (fluff). Inks & oils IGT Graduated Tack inks Special manufactured tack inks used for pick, wet pick/wet repellence tests. Inks & oils IGT Heliotest ink Ink to perform the Heliotest, used for gravure paper testing. Inks & oils IGT Mottle test ink Mottle test ink to test paper on different types of mottling. Inks & oils IGT Offset ink Test ink to perform the Wet pick and Wet repellence test Inks & oils IGT Pick Test ink Pick test ink to perform pick, linting and wet pick/wet repellence tests. Inks & oils IGT Pick Test oil IGT Pick test oil - low, medium or high viscosity Inks & oils IGT Print Penetration Liquid Liquid used for Print Penetration tests Inks & oils IGT Set-off ink Test ink to perform the Set-off test, an absorption test for offset and letterpress.