How long does it take for UV glue to cure at room temperature?

I have come into contact with many customers who hope that the curing speed of UV glue is as fast as possible. In fact, it is necessary to remind friends that the curing time should be determined according to their own operating process. Epoxy acrylate has a faster speed, while polyurethane has a relatively slow curing time.

First, there should be no oil or debris on the surface of the adherend. If there is any debris, it should be cleaned up in time. Then drop the glue on the surface of the bonding part, and then press it tightly to make the glue evenly fill the bonding surface and eliminate bubbles.

Under sunlight or 10cm away from the UV lamp, it takes 5-10 seconds to cure and position. The full curing time of UV shadowless glue varies with the power of the UV lamp and the distance of the UV lamp from the bonding surface. Under the irradiation of UV shadowless lamp with a wavelength of 200-400nm, the enhanced photo glue can be completely cured after a few minutes.

The difference between UV glue and other glues is that UV glue takes 1-5 seconds to cure under ultraviolet light, and the bonding is completed in 20-30 seconds. After irradiation, it can reach a high strength, which can meet the needs of the rhythm of the automated production line; the second-generation acrylic structural glue takes 1-10 seconds to cure, and it takes 24 hours to reach strength; room temperature curing epoxy structural glue takes 10-120 minutes to cure, and it takes 7 hours to reach strength.

The above summary is that the curing time still depends on the specific operation process. If the operation is proper, the curing time will definitely be relatively short.

The following editor introduces a product to everyone: KL-16UV adhesive.

KL-16UV adhesive has the advantages of quick drying, easy use, strong bonding, and no VOC emissions. It is mainly used for PET to PET, PET to ABS, PET to PC, PET to acrylic, etc.
The use of KL-16UV adhesive is as follows:

1. Make sure the bonded surface is clean, dry, grease-free and flat

2. Apply an appropriate amount of UV adhesive to the surface of the bonded workpiece, then close it with another bonded workpiece and remove possible bubbles

3. When the two bonded workpieces are pressed tightly, they are exposed to a certain intensity of UV lamp or sunlight to cure the UV adhesive on the bonding surface