LOCTITE® 4471™ is a medium-viscosity ethyl cyanoacrylate adhesive designed for bonding difficult-to-bond materials while providing uniform stress distribution and strong tensile/shear strength. It is a one-part adhesive that cures with humidity.
| Property | Value |
|---|---|
| Uncured Properties | |
| Appearance | Clear liquid |
| Specific Gravity @ 25 °C | 1.05 |
| Viscosity @ 25 °C (mPa·s) | 500 – 750 |
| Cure Mechanism | Humidity |
| Curing Performance | |
| Fixture Time (Steel, degreased) | 10 – 20 sec |
| Fixture Time (Aluminum) | 2 – 10 sec |
| Fixture Time (Neoprene, Nitrile) | <5 sec |
| Full Cure Time | 24 hours |
| Cured Properties | |
| Coefficient of Thermal Expansion (K⁻¹) | 100 × 10⁻⁶ |
| Thermal Conductivity (W/m·K) | 0.1 |
| Dielectric Strength (kV/mm) | 25 |
| Volume Resistivity (Ω·cm) | 10 × 10¹⁵ |
| Surface Resistivity (Ω) | 40 × 10¹⁵ |
| Adhesive Strength (Lap Shear, ISO 4587, N/mm²) | |
| Steel (grit blasted) | 18 – 26 |
| Aluminum (etched) | 11 – 19 |
| Zinc dichromate | 6 – 10 |
| ABS, PVC | 4 – 8 |
| Polycarbonate | 3.5 – 8 |
| Neoprene, Nitrile | 5 – 15 |
| Environmental Resistance | |
| Heat Resistance (Max Operating Temp) | ~120°C |
| Chemical Resistance | Excellent resistance to motor oil, gasoline, ethanol, and isopropanol |
BERGQUIST® GAP FILLER TGF 2900LVO, a silicone-based 2-component system, delivers optimized heat transfer across ultra-thin bondline interfaces. It is engineered for automotive control modules, high-throughput manufacturing lines, and electronics sensitive to siloxane outgassing, ensuring stable operation in environments spanning -40 °C to +150 °C.
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
Through partnerships with leading global brands, we deliver high-value materials, expert consulting, and optimized supply chains ensuring timely delivery, efficiency, and sustainable growth for our clients.
At Techniq, our mission is to connect cutting-edge materials, processes, and equipment with customer needs, enabling efficiency, reliability, and long-term value creation.
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Website: techniq.vn
Email: info@techniq.vn
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