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Relative humidity and printability

The printing industry features a multitude of different technologies that can be used, from traditional printing (such as offset printing, rotogravure printing, screen printing, etc.) to digital printing (for example, inkjet or laser).  The processes underlying these technologies are quite different, but they all share one need: to control humidity in the processing and storage...
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Why does the printing industry require humidity control?

In order to ensure an efficient process and excellent and consistent quality of the printed product, the temperature and humidity in places designed for the storage and printing of paper and cardboard needs to be controlled appropriately. What are the effects on paper? The hygroscopic nature of paper Paper is a hygroscopic material that tends to reach a condition of...
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Why does humidity need to be controlled in the printing industry?

Paper is a hygroscopic material that tends to reach a condition of equilibrium with the temperature-humidity conditions of the surrounding environment. Any swings in temperature and humidity can cause dimensional variations and loss of paper flatness . These phenomena are well-known to those who work in the printing industry as, if not appropriately controlled, they can...
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How can I choose the right humidification system for a paint booth?

This is the third and final discussion on paint booth applications. If you haven’t read the previous ones yet, please don’t forget to check them out! Today I’m going to talk about the best humidification solution for this specific application.  First of all, there is no one overall best solution, rather it depends on the requirements of each individual installation. A good...
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Relative humidity inside paint booths: what causes deviations from optimum conditions?

Paint booths are closed, air-conditioned spaces in which the ambient conditions are kept at the ideal values to ensure both a high quality finish of the coated surfaces and safety of the personnel working inside . Temperature, humidity and cleanliness of the air are ensured by an appropriate ventilation system . The conventional solution is an “all outside air” ventilation...
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Why does air relative humidity affect the quality of coatings?

The application of coatings on a surface is a process that is affected by the relative humidity of the surrounding environment. The speed and intensity of the reactions that generate the protective film are dependent on air conditions. This is even more the case when using water-based paints or powder paints , which are increasingly widespread in industrial processes due to their low VOC...
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