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Hot Melt Crack Sealant Becomes Standard Solution for Highway Crack Maintenance in Global Infrastructure
Pavement cracking is one of the most common hidden dangers of asphalt and concrete roads all over the world. Temperature difference, vehicle load and rainwater infiltration will continuously expand tiny cracks, further leading to base layer erosion, potholes and road damage, greatly shortening the service life of highways and municipal roads.
Pavement cracking is one of the most common hidden dangers of asphalt and concrete roads all over the world. Temperature difference, vehicle load and rainwater infiltration will continuously expand tiny cracks, further leading to base layer erosion, potholes and road damage, greatly shortening the service life of highways and municipal roads.
In the past, many maintenance teams adopted simple filling materials such as ordinary asphalt and mortar to treat cracks, which are easy to crack, fall off and lose sealing effect within a short period of time, requiring repeated construction and increasing long-term maintenance costs. In recent years, high-performance road crack sealing adhesive has gradually replaced traditional fillers and become the mainstream maintenance material recommended by road engineering departments.
High-quality road crack sealant adopts modified polymer rubber formula, with strong low-temperature flexibility and high-temperature anti-flow performance. It can closely fit the crack wall, form an elastic waterproof sealing layer, block rainwater and snow melt from penetrating into the road base, and buffer the expansion and contraction of pavement caused by temperature changes.
Different from inferior sealant with single performance, regular road crack sealing adhesive can adapt to climate environments from -40°C to 90°C, suitable for high-temperature tropical areas and cold freezing zones. It is widely used in highway longitudinal cracks, transverse cracks, bridge expansion joints, airport runways and urban municipal road crack repair projects.
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