Product Introduction
Hot-melt road crack sealing compound is a high-performance hot-melt material specifically designed for road crack repair, waterproof sealing, and preventive maintenance. The product is manufactured by compounding premium modified asphalt, high-molecular polymers, and aging-resistant materials, delivering excellent low-temperature flexibility, adhesion, waterproofing, and anti-aging properties.
During construction, specialized heating equipment is used to melt the material, which is then injected into cracks. After cooling, it forms a highly elastic sealing layer that effectively prevents rainwater, sand, silt, and debris from entering the pavement base, reduces further crack propagation, and extends the overall service life of the road.
The product is widely used in road maintenance projects, including expressways, municipal roads, bridges, airport runways, industrial parks, and parking lots.
Temperature Rating
Depending on the climatic conditions of different regions, the product is available in multiple low-temperature grades:
-10℃ Type
Suitable for ordinary cold regions and mild climate environments.
-10℃ Type
Suitable for cold northern regions and low-temperature winter environments.
-10℃ Type
Suitable for road maintenance projects in northeastern China, plateau regions, and extremely cold areas.
Product Features
Excellent Low-Temperature Flexibility
Maintains excellent elasticity even in low-temperature environments and is resistant to brittleness and cracking.
Strong Adhesion
Exhibits excellent adhesion to substrates such as asphalt and cement, making it resistant to peeling.
High-Elasticity Crack Resistance
Can adapt to thermal expansion and contraction of roads as well as changes in vehicle loads.
Waterproof Sealing
Effectively prevents rainwater penetration and reduces damage to the base layer.
Excellent Aging Resistance
Maintains stable performance even under long-term exposure to sunlight, rain, and snow.
Wear-Resistant and Pressure-Resistant
Suitable for areas with frequent vehicle traffic.
Hot-Melt Application
Good fluidity after heating, high construction efficiency.
FastOpen to Traffic Speed
Traffic can resume once construction is completed and the surface has cooled.
Application Scope
- Highway crack repair
- Municipal road maintenance
- Asphalt pavement crack sealing
- Cement pavement joint treatment
- Bridge Expansion Joint Maintenance
- Parking Lot Crack Repair
- Airport runway maintenance
- Industrial Park Road Maintenance
Construction Method
1. Crack Cleaning
Remove dust, debris, and loose particles from inside the crack.
2. Slot Processing
Use a slotting machine to prepare cracks as needed.
3. Heating Material
Heat to the application temperature using dedicated hot-melt equipment.
4. Crack Sealing Construction
Evenly inject the melted crack filler into the crack interior.
5. Natural Cooling
Open to traffic after the material has cooled and solidified.
Product Advantages
Compared with conventional asphalt materials, hot-melt road crack sealant offers superior elastic recovery, better waterproof sealing performance, and a longer service life—effectively reducing recurrent cracking and rainwater infiltration.
This product is suitable for road preventive maintenance projects, helping to reduce long-term maintenance costs and extend the overall service life of roads. It is a professional crack repair material commonly used in modern road maintenance engineering.
