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Description :

　　Crack resistant tape (also known as crack resistant tape) is a composite of asphalt based polymer, high-strength tensile tire base, high temperature resistant and asphalt compatible high-strength fabric. This product has self-adhesive properties, is easy to apply, and can be directly attached to cracks. This structure is an organic and comprehensive application of several measures to prevent cracks on highways. In fact, crack prevention stickers are very common in our daily lives. The crack prevention stickers we see on roads are also called crack prevention stickers. The use of crack prevention stickers for road surface cracks has always been a global technical problem in the prevention and control of road diseases, including reflection cracks caused by the base layer and surface cracks caused by the surface layer. Anti cracking stickers have solved the problem of cracking during road use, achieving durability, aesthetics, and comfort on roads. The irregular and complex shape of surface cracks seriously affects the appearance and waterproof performance of the road surface. Anti cracking stickers used on highways can be directly applied to the road surface, eliminating the drawbacks of slotting and grouting in the past and avoiding secondary damage to the road surface. They are suitable for maintenance and construction of different grades of highways. This product has the advantages of easy construction, strong adhesion, wide working temperature range, long service life, and crack sealing.

　　The principle of anti cracking stickers is as follows: 1. When cement concrete cracks deform, due to the tensile strength of the "anti cracking sticker" substrate being greater than the adhesive strength, the self-adhesive base anti cracking sticker disperses the originally concentrated stress through the covering layer of the anti cracking sticker, preventing and reducing the possibility of cracks in asphalt concrete. 2. When adjacent cement concrete slabs are repeatedly sheared up and down within a certain range, the cost of anti cracking stickers depends on the flexural and elongation properties of the fibers used. Therefore, it is not easy to break the "crack prevention sticker" and maintain its original stress diffusion function. 3. Due to its excellent self-adhesive sealing properties, the "anti cracking sticker" blocks the erosion of surface water into the expansion joints (cracks) of cement concrete slabs, ensuring stable foundation. The Meishan anti cracking sticker reduces the factors that cause cracks.

　　1. Good temperature resistance.

　　The temperature during hot laying of asphalt mixture reaches 150 ℃, so it is required that the anti cracking adhesive not only cannot melt or soften at this temperature, but also can maintain normal operation.

　　2. Good asphalt adsorption.

　　The normal construction steps are to first lay anti cracking stickers, then evenly spray asphalt emulsion on the road surface, and then heat lay the surface layer on it. The hot pavement layer should be able to integrate with the anti cracking adhesive base melted by heat.

　　3. Flexibility.

　　Flexibility encompasses both toughness and surface hardness. Resilience reflects the ability of crack resistant adhesive to absorb impact energy, which can be approximately measured by the product of the tensile strength and elongation of the material.

　　Anti cracking stickers are composed of asphalt based polymer, tensile tire base, high-temperature resistant fiberglass fabric, and isolation film composite, also known as road anti cracking stickers. Currently, the name is not unified across the country

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