| Moisture-curing one-component polyurethane adhesive | GB/T 13477 (Building Sealants) | Tensile strength: 2-5 MPa | Temperature range: -40°C to +80°C (short-term up to 100°C) | Solidified byproducts: None (environmentally friendly) | Drying time: 20-60 minutes |
| ASTM C920 | Elongation at break: 300-600% | Hydrolysis resistance: Excellent | VOC content: Low | Curing speed: ~3mm/week (depending on temperature and humidity) |
| Shore A hardness: 30-50 | UV resistance: General (requires the addition of stabilizers or protective coatings) | Compatibility: Good adhesion to plastics and metals | Application method: Extrusion using a glue gun |
| Tensile modulus: Low modulus | | | |
| Two-component reactive polyurethane structural adhesive | Refer to ISO 11339 | Tensile strength: 10-25 MPa | Temperature range: -40°C to +120°C | Composition: Two-component (typically 1:1 to 10:1) | Mixing ratio: fixed weight/volume ratio |
| Tensile shear strength: 8-15 MPa (for metals) | Fatigue resistance: Excellent | VOC content: Very low or none | Operating time: 10-60 minutes (25°C) |
| Elongation at break: 20-60% | Impact resistance: Excellent | Flame retardancy: Customizable flame retardancy rating | Initial curing time: 1-4 hours (25°C) |
| Shore hardness: 50-80 Shore D | Chemical resistance: Good (resistant to fuel oils and lubricants) | | Application method: Static mixing hose or two-component equipment |
| UV-curable polyurethane adhesive | IPC SM 840 (Conformal Coating) | Tensile strength: 5-15 MPa | Temperature range: -40°C to +130°C | Curing type: 100% solids, solvent-free | Curing speed: Surface dry within 1-30 seconds under 365nm UV lamp. |
| UL 746E | Elongation at break: 50-150% | Yellowing resistance: Excellent (UV resistant) | Environmental certifications: RoHS and REACH compliant | Application methods: dispensing, spraying |
| Shore A hardness: 70-90 | Chemical resistance: Good (resistant to solvents and detergents) | Volume resistivity: >10¹³ Ω·cm | Key process: Equipment must be light-proof, components must be light-transmitting. |
| Two-component polyurethane potting compound | UL 94 V-0 (Flame Retardant) | Tensile strength: 3-8 MPa | Temperature range: -40°C to +125°C | Flame retardant rating: UL 94 V-0 or HB | Mixing ratio: Fixed weight/volume ratio (e.g., 1:1) |
| IEC 61086-1 | Elongation at break: 100-300% | Resistance to thermal shock: Excellent | Volume resistivity: >10¹² Ω·cm | Operating time: 20-45 minutes (25°C) |
| Shore A hardness: 60-90 | Resistance to damp heat aging: 85°C/85% RH, 1000 hours | Dielectric strength: 15-25 kV/mm | Initial curing time: 2-6 hours (25°C) |
| Thermal conductivity: 0.2-0.5 W/(m·K) | | | Viscosity: Low to medium viscosity, flowable |
