In the production process of windows, sealant is an indispensable part. For consumers, what kind of sealant to choose is a big problem. Today, we will introduce to you the polysulfide sealant and silicone in door and window sealants. What is the difference between the two sealant.
Compared with polysulfide sealant, silicone sealant has superior UV resistance, tensile strength and higher elongation. The only drawback is that silicone sealant has a high water vapor transmission rate and poor oil resistance. In other words, when the sealant needs to be exposed to the air and can be directly exposed to sunlight, silicone sealant needs to be used. Therefore, silicone sealant is more suitable as a structural assembly of curtain walls.
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