LA-series instruments Pigment Size AN209 Pigment Particle Size and Hiding Power Particle size is intimately related to hiding power in pigments. Due to its speed and wide size measurement range, laser diffraction is an ideal tool for tracking the grinding process and therefore controlling the resulting pigment performance. Laser diffraction results rapidly tell the manufacturer when a product is at the right particle size or distribution width and, therefore, allows optimum use of manufacturing equipment. Introduction Color is critical. Appropriately used, it can give a clear message in seconds, as in a red stop sign. Or, it can provide pleasure to millions as in the Mona Lisa. In many cases, color is used in printing and painting and must be consistent across many production faci

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