-Item Name: DOWSIL™ TC-4025 Dispensable Thermal Pad
-Manufacturer: The Dow Chemical Company
-Technologies: Two-part addition‑cure silicone thermal pad (1:1 mix) designed for gap filling, heat dissipation, stress relieving, and shock damping; applicable via automated or manual dispensing/printing
-Color: Blue (Mixed: Part A is white to off‑white, Part B is blue)
-Cure Type: Addition‑cure (room temperature cure in 24 hours with optional heat acceleration)
-Package Size: Contact to Avantek for details.
-Shelf Life: Contact to Avantek for details.
DOWSIL™ TC-4025 Dispensable Thermal Pad is a two-part, thermally conductive silicone-based material designed to be used as a printable or dispensable pad for thermal management applications. It serves as a gap filler, offering excellent thermal performance while being reworkable, soft, and shock-dampening. This material can be applied through automated dispensing, stencil printing, or screen printing and provides a lower cost of ownership compared to traditional fabricated pads. It cures at room temperature or can be heat-accelerated for faster processing.
| Property | Part A | Part B |
|---|---|---|
| Color | White to off-white | Blue |
| Viscosity (cP) | 126,000 | 127,000 |
| Property | Unit | Result |
|---|---|---|
| Mixed Color | – | Blue |
| Mixed Viscosity | cP | 119,000 |
| Specific Gravity (Cured) | g/cm³ | 2.81 |
| Pot Life (Working Time) | Hours | 5 |
| Cured Time at 25°C | Hours | 24 |
| Heat Cure Time at 125°C | Minutes | 30 |
| Durometer (Hardness) | Shore 00 | 61 |
| Thermal Conductivity | W/m·K | 2.51 |
| Tensile Strength | MPa | 0.34 |
| Elongation | % | 66 |
| Dielectric Strength | kV/mm | 15.4 |
| Volume Resistivity | Ohm·cm | 8.84E13 |
| Dissipation Factor (100 Hz) | – | 0.34 |
| Dissipation Factor (100 kHz) | – | 0.004 |
| Dielectric Constant (100 Hz) | – | 3.31 |
| Dielectric Constant (100 kHz) | – | 2.94 |
| UL Flammability Rating | – | UL94 V-0 |
| Shelf Life | Months | 9 |
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Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
We are expert in import and export of adhesives, accessories and equipment in both domestic and cosmetic industrial fields, production and technology research and development.
Our solutions promise to bring best optimal effectiveness along with competitive prices, excellent customer services, dedicated on-site support.
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