{"id":4040,"date":"2025-03-23T09:30:32","date_gmt":"2025-03-23T09:30:32","guid":{"rendered":"https:\/\/www.cdautomation.com\/blog\/asciugatura-delle-vernici-a-infrarossi\/"},"modified":"2024-04-08T14:55:32","modified_gmt":"2024-04-08T14:55:32","slug":"paint-drying-with-infrared","status":"publish","type":"post","link":"https:\/\/www.cdautomation.com\/blog\/en\/paint-drying-with-infrared\/","title":{"rendered":"Paint drying with infrared: a ‘gallery’ of solutions from CD Automation"},"content":{"rendered":"

CD Automation manufactures top-quality thyristor power units<\/strong> for the efficiency enhancement of industrial processes that require precise power and temperature control monitoring. These units are used in a variety of sectors, including the many applications using infrared lamps<\/strong>.
\nWe have previously dealt with the professionalism with which CD Automation accompanies its customers engaged in stretch blow moulding processes<\/a>. An operation in which infrared lamps play a major role.
\nThe same occurs in a process that is fundamental for the execution of quality paintwork, which we will deal with extensively today: paint drying<\/strong>.<\/p>\n

Drying: a thermal process<\/h2>\n

Basically, heat is required to apply various coatings such as paint and colour. The function of infrared lamps is in fact to ensure the drying of wet water-based coatings and to accelerate the melting process of powder coatings. To optimise the result, it is essential to adapt the infrared emitter to the characteristics of the product to be heated<\/strong>, in terms of wavelength, shape and power. Correct adjustment of the radiation enables rapid absorption of the paint, avoiding overheating and ensuring protection of the material and the environment.<\/p>\n

The steps in paint drying<\/h3>\n

Paint drying is a process normally consisting of two phases: a first, purely physical phase during which the evaporation of solvents<\/strong> (water, hydrocarbons, alcohols, ketones) occurs<\/strong>, and a second, chemical phase in which the polymerisation of the resins<\/strong> (binders) contained in the paint is achieved.
\nNot all paint products require the chemical phase: thermoplastic (or non-crosslinkable) products finish drying with the evaporation of solvents. In contrast, thermosetting (or cross-linkable) products also have a polymerisation phase.<\/p>\n

The steps in paint drying<\/h3>\n

The drying of paint products generally takes place in an oven<\/strong>, in which the temperature depends both on the type of product, the material of the painted surface and the type of technology adopted.
\nDrying can be carried out using different equipment:<\/p>\n