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2022-07-26 13:37:00
Uv varnish is a type of varnish that must be stimulated by a specific wavelength of ultraviolet light to rapidly form a film and cure, and then form a process to protect and enhance the glossy texture on the surface of the substrate you are coating. There are two types of UV varnish, the common ones are the curing form of ordinary mercury lamps (that is, the kind with high heat and dazzling light), and the two types of LEDuv varnishes that emit blue light and low heat. Then the coating process can be spraying, curtain coating, roller coating, silk screen printing, offset printing, or coating.Ordinary varnish is that varnish is a kind of synthetic resin. Now it usually refers to the surface transparent varnish, which is made of base materials and additives, without any pigments. The difference between oil and PU varnish. Its coating process is basically the same as that of UV varnish. However, the common curing methods are much wider, including self-drying, infrared heating baking, or high-temperature sintering, and ultraviolet curing. Look at the substrate to choose the appropriate material and process.
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