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Do drop glue must use UV glue
Time：
2023-07-31 19:14
Source:
It is not necessary to use UV adhesive for bonding. UV glue is a special kind of glue, its main feature is that it can cure quickly under ultraviolet irradiation. It is usually composed of monomers, initiators and diluents. When in use, the glue is first applied to the surface of the object that needs to be glued, and then the ultraviolet lamp is used for a few seconds or minutes to cure.
UV adhesive curing speed, high bonding strength, and low sensitivity to temperature. This makes it very suitable for some special bonding scenarios, such as the packaging of electronic components, the assembly of optical devices, and the bonding of glass. UV adhesive also has the characteristics of high transparency and yellowing resistance, so it is also widely used in some areas with high appearance requirements.
However, there are some limitations to using UV glue. First of all, because its curing requires ultraviolet irradiation, it is necessary to have the corresponding ultraviolet lamp or equipment when it is used. In addition, UV glue is highly sensitive to ultraviolet rays, and the irradiation of sunlight or other light sources will also cause curing reactions, so care needs to be taken to avoid premature curing during use. In addition, UV glue is usually brittle and hard, and is not suitable for use in occasions where impact resistance or flexibility is required.
In addition to UV glue, there are other types of glue that can be used for bonding. For example, epoxy glue is a common bonding material, which has high bonding strength and durability. Two-component glue is also a commonly used glue, which is mixed by two different glues, and can be adjusted according to the need for curing time. Hot melt adhesive is applied to the object after melting by heating, and can be cured after cooling.
When choosing glue, you need to choose according to the specific bonding needs. UV glue is suitable for occasions with high curing speed and appearance requirements, while other types of glue can be selected according to specific needs, such as temperature resistance, impact resistance and so on. In addition, different glues may have different ranges of applicable materials, and it is also necessary to choose the right glue according to the specific material.
In summary, although UV adhesives have unique advantages in specific situations, not all adhesives must use UV adhesives. When choosing glue, it is necessary to consider bonding strength, curing speed, environmental conditions, durability and other factors to choose the appropriate glue for bonding.
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