| High-strength and high-durability structural adhesives | Refer to standards such as AMS and MIL-A | Tensile shear strength: 30 – 45 MPa, maintaining high strength up to 200°C+ | Long-term temperature resistance: -60°C to 180°C, short-term peak temperature 250°C | Mixing ratio: Precise ratio (e.g., 100:30), requires mechanical mixing. | Operation time: 45-90 minutes, suitable for large-scale construction. |
| ISO 11339, ASTM D1002 | Tensile strength: ≥ 60 MPa | Chemical resistance: Resistant to strong acids, strong alkalis, solvents, oils, and underwater curing. | VOC: Very low or none | Curing conditions: Often requires heat curing (e.g., 80°C-120°C) to achieve optimal performance. |
| Compressive strength: ≥ 90 MPa | Salt spray aging resistance: >2000 hours, strength retention rate >90% | Resistance to media: Extremely high chemical stability after curing. | |
| Fatigue performance: Excellent, capable of withstanding dynamic high loads. | | | |
| Functionalized Specialty Structural Adhesives | ASTM D2739, MIL-STD-883 | Volume resistivity: 10⁻³ – 10⁻⁴ Ω·cm (conductive type) | Temperature resistance: Depending on the function, the range covers -60°C to 150°C. | Functional fillers: Containing silver powder, carbon fiber, etc. | Viscosity: From paste to flowable liquid |
| ASTM D1003 | Light transmittance: ≥ 92%, Haze ≤ 0.5% (Optical grade) | Yellowing resistance: Excellent; light transmittance and color remain stable after UV aging. | Purity: Extremely high, free of volatiles, preventing contamination of optical components. | Curing shrinkage: Extremely low, reducing internal stress. |
| Elongation at break: ≥ 80% (flexible type) | Resistance to thermal shock: Excellent, adaptable to the thermal expansion of different materials. | | Construction Notes: For M10, be aware of silver powder settling; stir before use. |
| Modulus: Extremely high, >15 GPa (carbon fiber reinforced) | | | |
| General-purpose and quick-repair structural adhesives | Refer to GB/T 7124 | Tensile shear strength: 15 – 25 MPa (meets most operating conditions) | Temperature range: -50°C to 120°C | Mixing ratio: 1:1 or 2:1 (for easy manual mixing) | Ease of application: Can be mixed manually, no special equipment required. |
| Viscosity: < 1000 mPa·s, penetrates into microcracks like water. | Weather resistance: Good, suitable for outdoor equipment maintenance. | VOC: Low | Applicable period: as short as standard |
| Processing/Curing Time: Processing time 3-5 minutes, initial curing time 10-15 minutes | Chemical resistance: Resistant to oils, greases, and most chemicals. | Irritation: Some products have a slight amine odor. | Facade coating properties: Thixotropic, does not drip during facade application. |
