How long does it take for UV glue to cure?
First, the curing principle of UV glue
The curing of UV glue is based on the acrylate adhesive, irradiated by a certain wavelength of ultraviolet light source, adding a certain amount of photoinitiator actives, and active free radicals or ionic groups are generated in the UV glue, resulting in polymerization, cross-linking, etc. Linking and grafting reactive UV glues convert from liquid to solid in a short time.
Second, how long does it usually take for UV glue to cure?
1. Use UV glue to bond from two substrates, the surface coating thickness is about 0.1mm, and the light intensity of Futanxi Electronic Technology is about 1200MW/CM2. 5s can complete the UV glue curing on the surface of the substrate, achieve high-strength bonding effect, and meet the rhythm requirements of industrial production lines.
2. Most of the UV glues are photoinitiators with a wavelength of 365 nm added to the main peak of 365 nm curing ultraviolet light source band, Futanxi Electronic Technology can provide 365nm 385nm 395nm 405nm band (customizable band) UVLED curing machine, including UV ultraviolet Curing equipment, such as point light source, line light source, surface light source, curing box, tunnel furnace, etc., is suitable for various UV curing adhesives, inks, glues, varnishes and other photosensitive materials.
3. The curing time that affects the UV adhesive mainly comes from the adhesive UV is determined by factors such as the density of the adhesive, the required spectral wavelength, and the radiant energy value. UV glue and ink will also show differences to a large extent. characteristics
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