Anti cracking stickers - Highway Defender _ Concrete pavement anti cracking stickers _ Direct supply to merchants

Description :

　　Feicheng Shengyue Civil Materials Co., Ltd., manufacturer of crack resistant stickers, contact phone number:, Manager Peng

　　Anti cracking stickers are composed of asphalt based polymer, high-strength tensile tire base, and high-strength fabric that is resistant to high temperatures and compatible with asphalt. This product has self-adhesive properties, is easy to apply, and can be directly attached to cracks. This structure is an organic comprehensive application of several measures to prevent cracks on highways, and is also an upgraded product for crack prevention and waterproofing on white to black highways

　　The main reason for the occurrence of reflection cracks

　　When the road surface is repeatedly impacted by the load of driving vehicles, especially under the action of overload, adjacent panels of the cement concrete pavement frequently move up and down, and the deformation stress of the asphalt concrete at the corresponding parts is concentrated, causing cracking of the asphalt concrete pavement layer.

　　2. When surface water erodes into the expansion joints (including cracks) of cement concrete, the roadbed in that area becomes loose and soft, exacerbating the upward and downward displacement of the cement concrete slab and promoting cracking of the asphalt concrete pavement layer.

　　3. The change in temperature difference causes thermal expansion and contraction of cement concrete slabs, resulting in horizontal displacement of the slabs. Due to the direct paving of asphalt concrete on cement concrete slabs, its variation and deformation are synchronized with the cement concrete slabs, causing cracking of asphalt concrete pavement.

　　Feicheng Shengyue Civil Materials Co., Ltd., manufacturer of crack resistant stickers, contact phone number:, Manager Peng

　　The crack prevention mechanism of "crack prevention sticker"

　　The "crack prevention sticker" uses fiber materials with good flexural performance, high tensile strength, and anti-corrosion properties as the substrate, and is covered with high-performance viscoelastic materials processed by proportioning on top and bottom. The crack prevention mechanism is as follows:

　　When cement concrete cracks and deforms, due to the tensile strength of the "crack prevention sticker" substrate being greater than the bonding strength, the originally concentrated stress is dispersed through the cover layer of the crack prevention sticker, preventing and reducing the possibility of asphalt concrete cracking.

　　When adjacent cement concrete slabs are repeatedly sheared up and down within a certain range, the fibers used have flexural and elongation resistance. Therefore, it is not easy to break the "crack prevention sticker" and maintain its original stress diffusion function.

　　3. Due to the excellent self-adhesive sealing properties of the "crack prevention sticker", it blocks the erosion of surface water into the expansion joints (cracks) of cement concrete slabs, ensuring the stability of the foundation and reducing the factors that cause cracks.

　　Main features of the product

　　1. The crack prevention effect

　　A 2mm thick "crack prevention sticker" with a tensile strength of ≥ 600N/50mm and a product elongation rate of ≥ 30%. When two cement concrete slabs are horizontally displaced by 1mm (with a base joint width of 4mm), anti cracking stickers can effectively alleviate and disperse the stress. Tolerance is a discipline that has been opened and closed 10000 times, and the 'crack prevention sticker' has no damage.

　　2. Has low-temperature flexibility and good resistance to up and down shear performance

　　Due to the soft and elastic substrate of the "crack prevention sticker", it can be applied along a 20mm glass rod at a low temperature of -20 ℃. Bend 1800 material without breaking. To increase people's patriotic enthusiasm, when the "crack prevention sticker" pasted on two cement concrete slabs is displaced up and down by 0.5mm (with a base joint width of 4mm), after repeated up and down displacement of 10000 times, due to its good flexibility and elongation, the "crack prevention sticker" is non-destructive (the allowable vertical displacement value in conventional design is generally not greater than 0.06mm).

　　3. Good adhesion performance

　　The anti cracking adhesive tape has good bonding strength with both cement concrete base and asphalt concrete surface, with a bonding strength greater than 4N/mm. After being rolled by hot asphalt concrete, the bonding performance is greatly improved. Therefore, when subjected to horizontal force, it is not easy to slip or break. Even more moving, under high temperature conditions of 50 ℃, the shear strength of the "crack prevention sticker" can reach 0.15Map.

　　4. Good perforation resistance

　　After being struck by a 500g heavy hammer from a height of 500mm, and then subjected to a constant pressure of 0.3MPa for 0.5h, the "crack prevention sticker" does not leak water.

　　5. Good waterproof and airtight performance

　　Due to the self-adhesive cover layer on the lower surface of the "crack prevention sticker" being greater than 1mm, after being pressed by hot asphalt concrete, it is completely combined with cement concrete, greatly improving waterproof sealing and preventing surface water from seeping into the cracks of the cement concrete slab, thus ensuring the stability of the foundation. These two types of books are very special when subjected to the horizontal thrust of a moving vehicle, as their covering layer has good self adhesiveness and flexibility, ensuring waterproof sealing.

　　6. Convenient construction

　　The construction method of "crack prevention sticker" is self-adhesive cold construction. As long as the isolation paper (film) is removed, it can be directly pasted on the treated cement concrete base. Convenient construction and fast speed.

　　Feicheng Shengyue Civil Materials Co., Ltd., manufacturer of crack resistant stickers, contact phone number:, Manager Peng

AfterSalesService :

• anti-cracking tape