High Toughness Epoxy Concrete High Toughness Epoxy Mortar Technical Construction Plan
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- Contact: 金生
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High-toughness epoxy repair adhesive is composed of Component A (flexible epoxy resin), Component B (flexible epoxy curing agent), and Component C (special aggregate). Depending on the proportion of Component C, it can be classified into high-toughness epoxy concrete, high-toughness epoxy mortar, and high-toughness epoxy grout. Its main features include:
● Impact resistance toughness, which is 300 times that of ordinary cement mortar;
● Resistance to permeability, freezing, salt, alkali, and weak acid corrosion, with strong adhesion to various civil engineering materials;
● Thermal expansion coefficient close to that of concrete, making it less likely to detach from bonded substrates, with good durability. Tensile strength and bond strength are higher than the strength of concrete itself;
● Wide mix ratio flexibility at construction sites, allowing for the preparation of flexible epoxy adhesive, flexible epoxy mortar, flexible epoxy self-leveling mortar, flexible epoxy concrete, etc., based on actual project needs;
● Fast curing speed, enabling construction under dynamic loads, making it particularly suitable for the rapid repair of bridge expansion joint protection belts and road surface potholes.
Application Scope:
Primarily suitable for the rapid repair of bridge expansion joint protection belts, surface defect repair and local defect repair of cement concrete pavements, and also applicable for the preparation of high-toughness epoxy concrete (mortar) in special impact-resistant scenarios.Product Performance:
| Performance of High-Toughness Epoxy Repair Adhesive (A+B) | ||
| Test Item | Test Condition | Test Result |
| Appearance | 23±2℃ | Both Components A and B are transparent liquids |
| Viscosity, mPa·s | 23±2℃, (A+B) | 500 |
| Pot Life, min | 23±2℃ | 30 |
| Density, g/cm3 | 23±2℃, (A+B) | 1.05 |
| Tensile Strength, MPa | 23±2℃ | 8 |
| Elongation at Break, % | 23±2℃ | 40 |
| Steel-Concrete Bond Tensile Strength, MPa | 23±2℃ | ≥2.5 MPa, with cohesive failure in concrete |
| Steel-Concrete Bond Shear Strength, MPa | 23±2℃ | Cohesive failure in concrete |
| Effective Shrinkage | ASTM C883 | Pass |
| Performance of High-Toughness Epoxy Repair Adhesive (A+B+C), Weight Ratio A:B:C=100:50:600 | ||
| Test Item | Test Condition | Test Result |
| Appearance | Component A | Transparent liquid |
| Component B | Transparent liquid | |
| Component C | Powder | |
| A+B+C Cured Solid | Light gray (similar to cement concrete) | |
| Density, g/cm3 | 23±2℃ | ≈2000 |
| Flowability | 23±2℃ | Self-leveling mortar |
| Pot Life (Operational Time), min | 23±2℃ | 30 |
| Flexural Strength, MPa | 23±2℃, 7 days | 24 |
| Compressive Strength, MPa | 23±2℃, 7 days | 53 |
| Elastic Modulus, GPa | 23±2℃, 7 days | 340 |
| Recovery Capacity (5% Deformation) | ASTM D695 | ≥90% |
| Steel-Concrete Bond Tensile Strength, MPa | 23±2℃, 7 days | ≥2.5 MPa, with cohesive failure in concrete |
| Steel-Concrete Bond Shear Strength, MPa | 23±2℃, 7 days | Cohesive failure in concrete |
| Thermal Compatibility | ASTM C884 | Pass |
| Impact Resistance | DL/T 5193 | ≥300 impacts without failure |
| Application Method | Grout | Mortar | Concrete | |
| Composition | A+B+Cement | A+B+C | A+B+C Coarse Aggregate | |
| State | Putty-like grout | Flowable or plastic mortar | Self-leveling or plastic concrete | |
| Recommended Mix Ratio | Adhesive:Cement=1:3-5 | Adhesive:Component C=1:4-6 | Adhesive:Component C:Coarse Aggregate=1:4:3-6 | |
| Suitable Applications | Substrate leveling, thin-layer surface repair, crack sealing | Pothole repair (repair depth ≤3 cm) | Expansion joint protection belt concrete repair | |
| Usage Method | Leveling with putty or embedding after cutting along cracks | Pouring mortar after primer coating with adhesive | Pouring concrete after primer coating with adhesive | |
| Traffic Opening Time | 25℃ | 6-12h | 6-12h | 6-12h |
| 60℃ | 1-2h (cement heated) | 1-2h (Component C heated) | 1-2h (Component C and coarse aggregate heated) |
| Industry Category: | Construction & Building Materials/Mortar/Mortar |
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