What is the difference between polyurethane sealant and silicone sealant? Below, follow the small edition of the building sealant sales company to have a look!
Curing process, the strength of polyurethane sealant is good, has good adhesion and tear resistance. It is cured at room temperature and can resist low temperature. It will not freeze and crack in cold environment.
However, there may be bubbles in the curing process of polyurethane sealant, leading to cracks in the rubber layer. Try to choose the best polyurethane sealant, curing effect is more ideal.
Silicone sealant rarely bubbles during curing. And bonding material firmly stick together, heat and humidity resistance and aging resistance. Silicone sealant after curing, effective resistance to tear and oil, will not be easily contaminated.
During the construction process, it is recommended that the adhesive layer not be too thick, otherwise it will prolong the curing time. In order to avoid these situations, it is recommended to choose the best products.
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