https://www.kisinhom-uvcoating.com/products/uv-dryer/ The wavelength of ultraviolet light for industrial use is from 200nm to 450nm. The process of curing materials with ultraviolet rays with UV drying machines is called the ultraviolet drying process. The principle of UV drying machines is that ultraviolet glue is irradiated with special glue to polymerize and cure the glue. Widely used in printing, electronics, building materials, machinery, and other industries.All Rights Reserved