LOCTITE® 4902 FL is a highly flexible, fluorescent cyanoacrylate adhesive designed for assembling flexible medical devices. It provides strong bonding performance for dissimilar and opaque substrates while maintaining fast curing, ease of use, and high strength. The product is ISO 10993 tested for biocompatibility in medical device applications.
| Property | Value |
|---|---|
| Chemical Type | Ethyl and octyl cyanoacrylate |
| Appearance | Clear, colorless liquid |
| Fluorescence | Positive under UV light |
| Specific Gravity (@ 25°C) | 1.03 |
| Viscosity (@ 25°C, 100 s⁻¹) | 150 to 250 mPa·s (cP) |
| Condition | Fixture Time (seconds) |
|---|---|
| Aluminum | ≤20 |
| ABS | 5 to 10 |
| Acrylic | 30 to 45 |
| Neoprene | 120 to 210 |
| Nitrile | 20 to 45 |
| Polycarbonate | 5 to 10 |
| PVC | 15 to 45 |
| Steel | 10 to 30 |
| Property | Value |
|---|---|
| Shore Hardness (ISO 868) | Shore A 65 |
| Tensile Modulus | 400 N/mm² (57,900 psi) |
| Glass Transition Temperature (Tg) | 50°C |
| Coefficient of Thermal Expansion | Below Tg: 110×10⁻⁶ K⁻¹ / Above Tg: 425×10⁻⁶ K⁻¹ |
| Property | Value |
|---|---|
| Surface Resistivity (IEC 60093) | 145×10¹⁵ ohms |
| Volume Resistivity (IEC 60093) | 11×10¹⁵ ohm-cm |
| Dielectric Breakdown Strength | 32 kV/mm |
| Dielectric Constant (1 kHz) | 3.34 |
| Substrate | Lap Shear Strength (N/mm²) |
|---|---|
| Grit-Blasted Mild Steel | 12 |
| Aluminum (Etched) | 14 |
| ABS | 8 |
| PMMA | 4.3 |
| Polycarbonate | 7.9 |
| PVC | 5.8 |
| Environment | 100h | 500h | 1000h | 5000h |
|---|---|---|---|---|
| Motor Oil (40°C) | 85% | 70% | 65% | 60% |
| Unleaded Gasoline (22°C) | 65% | 10% | 25% | 0% |
| Water (22°C) | 70% | 65% | 60% | 45% |
| 98% RH, 40°C | 55% | 50% | 65% | 50% |
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.
BERGQUIST® LIQUI FORM TLF 10000 addresses critical hotspots in RRU/AAU/BBU units, EV battery packs, 5G antenna modules, industrial controllers, and compact PCBs while stabilizing vertical gaps ≤2.5 mm and preserving electrostatic reliability.
TECHNOMELT® Low Pressure Molding polyamides deliver precision encapsulation of PCBs, PCBAs, connectors, sensors, power modules, LEDs, HVAC controllers, and wearable medical devices, while also enabling leakproof integration in liquid-delivery systems.
Huntsman ARALDITE® systems are designed for • Rotor potting to replace permanent magnets in magnetless motor concepts • Stator encapsulation for enhanced coil protection • High voltage impregnation processes ensuring worker safety and long term adhesion.
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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