Page 5 - Parker - Inks, Paints and coating filtrations
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              to paints and inks, and with the development of more and more sophisticated
            Resins such as acrylics, alkyds, epoxies and polyesters are key constituents
                 variable process conditions in resin manufacturing processes can result in
                    nish                                              cation
               coatings, resin quality specifications are becoming more stringent. The
                    nal fi

                                                                  Following filling and packaging, it is  vital to ensure that the product remains  contaminant free and within specifi during shipment. A point of use (POU)  filtration system at the end-user site  reduces the risk of any contamination that  may have entrained in the product during  delivery, storage and distribution prior to      STAGES 1 - 14 (See page 5 for reference)


                        preventing rework, reclassification, and waste.



                        of the coating by causing what is commonly known as ‘fish eyes’, cratering  or dull finishes. Use of the correct filtration reduces manufacturing costs by   14  Coating process        coating on the substrate.     cation’ filters. This ensures the correct pigment size distribution, optimizing  Use of the correct clarifying filter upstream removes gels, fibers, agglomerates and airborne

                   high volume of polymorphous contamination which affects the fi     13  Milling and blending are critical steps and effectively define the type of coating that is being  manufactured. Any oversized pigments that are present after the milling are removed by the  the pigment dispersion rate during the blending stage and producing a final product within  contaminants without stripping out the required components of the paint or coating.




          Resin process                                               12               Coatings manufacturing process (blending / thinning)      cation.




                                                                                            use of ‘classifi
                                                               11                               the required specifi








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                lters
             ow                                                                                            ltration






          Deionized water process The use of Polypropylene depth or high-fl pleated filters on the deionization system is     used to treat incoming mains water. Trap fi ensure that the make-up process water is of  high-purity by preventing downstream con- tamination of source water sediment or ion  exchange bead migration.   5  6  7  Coatings constituents and additives As paint, ink and resin formulations become  ever more complex and expensive, fi to remove impurities from raw material
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