With the development of technology, construction technology is also constantly updated, the choice of building sealant in Guizhou is also more important. Here are three key points to choose based on performance characteristics.
The selection of building seal is mainly based on its performance characteristics, as follows:
1. Concrete bonding
The PC board used on the market is mostly concrete board, so the building sealant should have good adhesion to concrete. Due to the characteristics of concrete itself, ordinary sealant is not easy to bond on its surface. The selection of building sealant should consider concrete is a kind of alkaline porous material, release agent used when the release agent remains on the surface of the PC board.
2. Joint displacement
When choosing sealant, its mechanical properties are also very important. In the design should consider the displacement of the joint, determine the width of the joint, is the deformation of sealant in. Within the bounds of tolerance. For 10~35mm concrete joints, sealant is generally required to have good displacement capacity and elastic recovery rate, so that it can adapt to joint displacement.
3. Weather resistance
The weather resistance of building sealant will affect its service life, and due to the specific molecular structure of silicone sealant, even at energy. High ultraviolet irradiation is not enough to destroy the structure, the best silicone sealant has good ultraviolet resistance, so that it has obvious advantages in weather resistance.
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