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Views: 0 Author: Site Editor Publish Time: 2024-12-11 Origin: Site
The selection of sealants needs to consider the type, waterproofness, compatibility with materials and mildew resistance.
1. Types Common types include silicone sealants and polyurethane sealants. Silicone sealants have good weather resistance and can withstand environmental factors such as ultraviolet radiation and temperature changes for a long time. They are suitable for indoor and outdoor use, especially for areas that are often exposed to the natural environment such as the exterior walls of buildings; polyurethane sealants have good elasticity and strong adhesion, and have excellent bonding effects on different materials. For example, they can play a good bonding and sealing role when used between waterproof backing boards and tiles.
2. Waterproof and mildew resistance
Make sure that the sealant has good waterproof performance and can prevent water penetration. When purchasing, you can check the waterproof grade index of the product and choose a sealant that meets the waterproof requirements of the construction area. In addition, mildew resistance is also very important. In some humid environments such as kitchens and bathrooms, sealants are prone to mold growth. Choosing a sealant with mildew resistance can reduce mold growth and maintain beauty and hygiene.
3. Compatibility
When selecting a sealant, consider the compatibility of the sealant with the backing board and adjacent materials. Different materials of backing boards (such as cement-based, gypsum-based) and other decoration materials (such as tiles, stones) have different adaptability to sealants. If the materials are incompatible, problems such as weak bonding and chemical reactions leading to material damage may occur.
Sealant can be roughly divided into bonding and fixing and joint sealing according to its function. The parts that need to be bonded and fixed include indoor wooden floors, door frames, gypsum lines, skirtings, wall waistlines, floor tiles, etc.; various mirrors, aluminum edge band.