Tire rubber powder is a rubber particle processed from waste tires, the main components are natural rubber and synthetic rubber, which has good elasticity, wear resistance, aging resistance, weather resistance, shock absorption, etc., so that it can significantly improve the life and durability of building materials when applied in building materials. The application of tire rubber powder in the construction industry is mainly in the following aspects.
1. Highway asphalt improvement
The traditional asphalt pavement has low durability and poor weather resistance, and when it is high temperature, it is easy to soften and flow, easy to crack when it is low temperature, and easy to slide when it is wet. In road paving, tire rubber powder is mixed with asphalt to prepare rubber asphalt mixture, which has weather resistance, wear resistance, high temperature stability, crack resistance, water resistance and adhesion, and can effectively extend the service life of the road when used to modify the asphalt pavement; Rubber asphalt also has good slip resistance and noise absorption, which can improve road safety and driving comfort.
2. Rubber concrete
The elastic properties of tire rubber powder give the concrete a certain elastic modulus, which can not only improve the seismic performance of concrete, but also E4LYY63 reduce the risk of cracking caused by temperature changes during the hardening process. In general, the higher the fineness of tire rubber powder, the better the mixing effect in concrete, which significantly improves the crack resistance, frost resistance, impact resistance, toughness, etc. of concrete, and reduces the brittleness and water absorption of concrete.
3. Building sound insulation materials
Tire rubber powder has a certain sound insulation effect, which can be directly applied to building sound insulation materials, such as the sound insulation layer of walls, ceilings and floors, and can effectively block the incoming of external noise by improving the structural properties of sound insulation board materials, providing a quiet and comfortable environment for the interior.
4. Building waterproofing materials
Tire rubber powder has good elasticity and anti-aging properties, and is used in the processing of building waterproof membranes, such as rubber waterproof membranes, waterproof coatings, etc., which can effectively prevent water penetration and protect building structures from water erosion, and is widely used in roofs, basements, tunnels and other waterproof projects.
Tire rubber powder can also be used in seismic isolation materials, wall coatings, insulation boards, etc. for ordinary buildings. In actual production, the size and uniformity of tire rubber powder particles will directly affect the performance and life of building materials, so quality control in the production process is particularly important.
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