LOCTITE SI 5421 is a one-component, alkoxy silicone adhesive that cures at room temperature via moisture exposure. It forms a flexible, electrically conductive bond and is primarily used for automotive sensor bonding and gasketing of EMI/RF shielded enclosures.
| Property | Value |
|---|---|
| Specific Gravity (@ 20°C) | 3.05 – 3.3 |
| Appearance | Tan Paste |
| Flash Point | See SDS |
| Property | Condition | Value |
|---|---|---|
| Tack-free Time | 23±2°C / 50±5% RH | 1 hour |
| Full Cure Time | 72 hours | – |
| Property | Standard | Value |
|---|---|---|
| Tensile Strength | ISO 37 | ≥0.7 N/mm² (≥102 psi) |
| Elongation | ISO 37 | ≥40% |
| Shore Hardness (A) | ISO 868 | 50 – 65 |
| Property | Standard | Value |
|---|---|---|
| Volume Resistivity | IEC 60093 | ≤0.01 Ω·cm |
| Property | Standard | Value |
|---|---|---|
| Lap Shear Strength (Alclad to Alclad) | ISO 4587 | ≥0.4 N/mm² (≥58 psi) |
LOCTITE SI 5421 provides shielding across a wide frequency range, offering significant attenuation at 30% compression level.
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.
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