DOWSIL™ EA-4700 CV Adhesive is a two-part, fast room-temperature cure silicone adhesive designed for durable adhesion in automotive electronics. It offers high-temperature stability, controlled silicone volatility, and environmental sealing. The material cures rapidly at room temperature but can be heat-accelerated.
| Property | Value |
|---|---|
| One or Two-Part | Two-Part |
| Mix Ratio (A:B) | 1:1 (by weight/volume) |
| Color | Part A: White, Part B: Black |
| Viscosity (Pa.s) | Part A: 24, Part B: 18 |
| Mixed Viscosity (Pa.s) | 27 |
| Working Time (25°C) | 20 min |
| Property | Unit | Value |
|---|---|---|
| Cure Time (25°C) | Hours | 2 (Hardness complete) |
| Hardness (JIS A) | – | 19 |
| Tensile Strength | MPa | 3.7 |
| Elongation | % | 630 |
| Dielectric Strength | kV/mm | 25 |
| Volume Resistivity | ohm.cm | 1.5E+15 |
| Dielectric Constant (1 MHz) | – | 3.2 |
| Dissipation Factor (1 MHz) | – | 1.8E-03 |
| Temperature Range | °C | -45 to 150 |
| Substrate | Time & Condition | Adhesion Strength (MPa) |
|---|---|---|
| Aluminum (A5052P) | 72h @ 25°C | 3.9 (CF100%) |
| PBT (Unfilled) | 72h @ 25°C | 2.7 (CF100%) |
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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