LZ-PRM Concrete Pavement Rapid Repair Material
LZ-PRM Concrete Pavement Rapid Repair Material is the preferred choice for thin-layer, fast repairs of concrete (mortar) due to its excellent impact resistance, wear resistance, anti-permeability, strong bonding strength, and ability to withstand plastic shrinkage strain in concrete. LZ-PRM Concrete Pavement Rapid Repair Material is a single-component cement-based compound that can be easily applied by mixing with water, making construction simple and convenient. It is widely used on concrete highways, bridges, airport runways, factory and warehouse floors, as well as other high-load-bearing pavement surfaces.
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Product Description
Product Introduction
LZ-PRM Concrete Pavement Rapid Repair Material, with its excellent impact resistance, wear resistance, impermeability, bond strength, and ability to withstand plastic shrinkage strain in concrete, has become the preferred choice for thin-layer, rapid repairs of concrete (mortar). LZ-PRM is a single-component cement-based compound that can be easily applied by mixing with water, making construction simple and convenient. It is widely used on concrete highways, bridges, airport runways, factory and warehouse floors, as well as pavement surfaces subjected to heavy loads.
Product Advantages
1. Early-strength, high-strength, and rapid setting: Initial set in 30 minutes, allowing traffic to resume within 1–3 hours; compressive strength reaches over 30 MPa, and exceeds 50 MPa after just one day.
2. High Frost Resistance: Operates normally at low temperatures down to 0–10°C;
3. High Impermeability: The repair material creates a dense concrete structure, with the concrete exhibiting 2 to 3 times better impermeability performance compared to ordinary cement.
4. Exhibits excellent carbonation resistance and low micro-expansion drying shrinkage rate;
5. Excellent corrosion resistance: Corrosion resistance coefficient exceeds 1;
6. Reduce shrinkage;
7. Later performance is stable, with strength development progressing nearly in sync with the existing concrete;
8. Exhibits excellent compressive performance; once cured, the repair material demonstrates exceptionally strong resistance to compression and bending.
9. Excellent workability and ease of use—no extra equipment required; simply mix with water using basic tools for immediate application.
10. Exhibits moderate adhesiveness, ensuring tight contact between old and new concrete surfaces;
11. It offers excellent practical performance, requiring no complex construction machinery or specialized technical skills during installation. Additionally, it doesn’t necessitate prolonged traffic closures—traffic can resume just 1 to 3 hours after construction is completed. There’s no need to excavate the damaged areas, significantly reducing costs related to labor, materials, and maintenance time. Moreover, the repaired surface closely matches the original color of the cement concrete pavement, ensuring a visually appealing finish.
12. It boasts excellent durability, delivering rapid early performance and achieving high early strength—qualities that remain stable over time without any decline. This makes it possible to effectively eliminate many types of damaged areas in a single application. Moreover, the material itself exhibits exceptional water resistance, corrosion protection, and UV resilience, with an anti-aging capability more than five times superior to that of conventional cement concrete. As a result, its performance degradation occurs much later than in original concrete, ensuring that it retains both its bonding ability and compressive strength even as it ages.
Applicable Conditions
Specifically designed for the timely repair of defects such as roughness, hollows, peeling, sanding, delamination, cracking, exposed reinforcement, flaking, and exposed aggregate on cement concrete pavements—simply apply directly to the affected areas. This material boasts exceptional compressive and adhesive strength, enabling ultra-thin repairs that remain intact even under high-speed and high-pressure traffic conditions, preventing cracking or detachment. It is suitable for all types of surface damage found on cement concrete surfaces.
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Hunan University Science Park, No. 186 Guyuan Road, Yuelu District, Changsha City, Hunan Province
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