Is it good for silicone sealant to cure quickly? What are the methods for quick curing?
Time:2024-08-13
Views:190
There are obvious differences between one-component sealant and two-component sealant. The two are used in different fields, and the methods of use and prices are even more different. Silicone sealant sealant relies on air humidity to vulcanize. It can automatically cure without heating after construction. It has the characteristics of slow curing speed during the curing stage. It usually takes 24 hours to cure, and the performance will be stable after 72 hours.
Is there any effect of increasing the curing speed of silicone sealant?
The curing speed of silicone sealant cannot be accelerated blindly. Various factors need to be considered during the curing process. Because silicone sealant contains ethanol, it will slowly evaporate during the construction process, and there will be no residue after complete curing. If the curing speed is increased blindly, the ethanol in the glue liquid will not be completely volatilized before curing. The cured glue liquid contains ethanol, which will be corrosive to the metal substrate.
In addition, when the silicone sealant is accelerating the curing, the stress in the glue cannot be released quickly, there are safety hazards after curing, the resilience of the glue is not guaranteed, and it is easy to crack and debond after a period of use. Most of them will be mistaken for poor quality of the glue.
It is not that the silicone sealant cannot be cured quickly. When curing quickly, it is necessary to weigh the pros and cons and master the skills. The common methods of rapid curing are as follows:
1. Change the humidity of the construction environment. Because of the curing principle of the silicone sealant, the humidity of the curing environment can be changed to achieve the purpose of rapid curing. This method is one of the commonly used methods with good results. It is conducive to the release of ethanol in the glue during the curing process and is not easy to cause adverse effects.
2. Layered glue injection. During the curing process of the silicone sealant, the thinner the glue layer, the faster the curing speed. The layered curing method can be adopted to achieve the purpose of rapid curing, and the curing effect is good. The disadvantage is that the construction is more troublesome and wastes manpower.
3. Environmental warming. The curing speed of the silicone sealant is slow in low temperature, especially in winter, it will not cure for a long time. Using this characteristic, the construction environment temperature can be increased to effectively achieve the purpose of rapid curing of the glue.
In fact, it is very simple to master the construction method of silicone sealant, which can not only achieve the purpose of rapid curing, but also save glue liquid. It is recommended to conduct a small-scale test when constructing in large quantities. Only by purchasing products with guaranteed quality can you rest assured to construct, such as TENSAN, which focuses on the research of sealants and provides customized sealant application solutions.
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