What is the difference between the UV varnish requirements in winter and summer?
UV varnish is divided into two different formulations, winter type and summer type, especially the local varnish for screen printing. There are some differences depending on the temperature at the time of use. When using it, pay attention to distinguish the seasonal and weather temperature changes, and select the appropriate varnish. The winter formula has a lower solid content than the summer formula, so that when the temperature is low, the leveling performance of the varnish can be better. The summer temperature is higher. Appropriately increasing the solid content can increase the speed of curing.
If the winter formula is used in summer, it is easy to cause incomplete oil curing and easy to cause anti-sticking; otherwise, the summer formula is used in winter, which will cause poor UV oil leveling performance, causing foaming and orange peel failure.
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