40 Dynes—But Relative to What Ink? Ink technical data sheets commonly specify that a substrate must reach 38, 40, 42, or even 44 dyn/cm... Continue reading
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Category: Lab & Quality control
UV-A intensity labels provide a simple visual indication of UV-A exposure. But what actually causes the color change? The answer is a photoresponsive chemical reaction... Continue reading
Can One UV Lamp Cure Everything?The Short Answer: No. Complete Guide to UV Curing – Chapter 2 If every UV lamp produces ultraviolet light,... Continue reading
Do You Really Know the UV Lamp You’re Using Every Day? While designing a baseline verification and monitoring chart for UV systems, a simple question... Continue reading
Most UV indicators on the market only have one color scale. Kolorguide UV Tests, on the other hand, include two distinct scales: H-BULB (Mercury) D-BULB... Continue reading
If you’ve searched for “What is surface energy?”, you’ve probably found several different answers. Surprisingly, they are all correct—they simply come from different fields of... Continue reading
Anilox Roll Maintenance: The Complete Guide to Cleaning, Control, and Performance In flexography, the anilox roll is often defined by its specifications. Line screen.Cell volume.Engraving.... Continue reading
Surface Energy Chart by Material (Dyne Levels for Plastics, Films, Metals and Packaging) This reference chart is used by engineers and technicians to evaluate adhesion,... Continue reading
Surface Energy and Dyne Testing Guide: 105 Technical Questions for Printing and Converting January 26, 2026Kolorguide Technical Division Introduction Surface energy is one of the... Continue reading
Surface energy testing is a critical control point in printing, coating, laminating, and converting operations. Dyne test pens are routinely used to verify surface treatment... Continue reading
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