What UV glue? What are its advantages and disadvantages? |
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| Reading Volume： 【 1972 】 | Time： 【 2017-06-30 】 | |
| What UV glue? What are its advantages and disadvantages? UV glue, also known as photosensitive glue, ultraviolet curing glue, and shadowless glue, is a type of adhesive that must be cured by ultraviolet light. advantage: ● No VOC volatiles, no pollution to ambient air; ● Adhesive ingredients are less restricted or prohibited in environmental protection regulations; ● No solvent, low flammability ● For temperature, solvent and moisture sensitive materials can be used ● Control curing, waiting time can be adjusted, curing degree can be adjusted ● It can be applied repeatedly and cured for many times ● The UV lamp can be easily installed on the existing production line without major changes Disadvantages: ● The cost of raw materials is high, without low-cost solvents and fillers, and the price of adhesives is high ● Ultraviolet light has weak penetrating power to some plastics or translucent materials, the curing depth is limited, the geometric shape of the curable product is limited, and the opaque parts and the dead corners that are not exposed to ultraviolet light are not easy to cure ● General UV glue can only bond light-transmitting materials, and bonding opaque materials requires other technologies, such as light delay (cation) curing, light-heat dual curing, light-moisture dual curing, etc. |
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