FX219G5 – Silicone Potting & Encapsulation Compound
Everwide FX219G5 Silicone Potting Compound – high-thermal, UL94 V-0 silicone potting for electronic modules. Compare with Shin-Etsu KET-132 silicone potting.
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-Item Name: DOWSIL™ TC-4040 Dispensable Thermal Pad
-Manufacturer: The Dow Chemical Company
-Technologies: Two-part, 1:1 mix addition-cure silicone thermal pad.
-Color: Blue (Part A: White, Part B: Blue, mixed to Blue)
-Cure Type: Addition cure (room temperature cure with optional heat acceleration)
-Package Size: Contact to Avantek for details.
-Shelf Life: 6 months
DOWSIL™ TC-4040 Dispensable Thermal Pad is a two-part, thermally conductive silicone-based material designed for gap filling, heat dissipation, stress relief, and shock damping. It cures into a soft thermal pad and has a thermal conductivity of 4.0 W/mK, helping to enhance device thermal management. The material can be dispensed manually or via automated processes and cures at room temperature or with heat acceleration. It provides low stress to components, operates over a broad temperature range (-45 to 200°C), and is UL94 V-0 rated for flammability resistance.
| Property | Unit | Part A | Part B |
|---|---|---|---|
| Color | – | White | Blue |
| Viscosity (ASTM D1084) | cPs | 320,000 | 350,000 |
| Specific Gravity (Uncured) | – | 3.2 | – |
| Mixing Ratio | – | 1:1 | – |
| Property | Unit | Result |
|---|---|---|
| Color | – | Blue |
| Extrusion Rate @ 90 Psi (ASTM D2452) | g/min | 350 |
| Working Time at 25°C | hours | 3 |
| Curing Time at 25°C | hours | 24 |
| Curing Time at 80°C | minutes | 60 |
| Curing Time at 120°C | minutes | <5 |
| Hardness (ASTM D2240, Shore 00) | – | 60 |
| Tensile Strength (ASTM D412) | MPa | 0.42 |
| Elongation (ASTM D412) | % | 30 |
| Thermal Conductivity (ASTM F433) | W/mK | 4.0 |
| Minimum Bond Line Thickness | µm | 60 |
| Dielectric Strength (ASTM D149) | kV/mm | 10.2 |
| Dielectric Constant (ASTM D150, 100 Hz) | – | 7.4 |
| Dissipation Factor (100 Hz) | – | 0.0143 |
| Volume Resistivity (ASTM D1169) | Ohm*cm | 3.95E+13 |
| UL Flammability Classification | – | UL94 V-0 |
| Shelf Life | months | 6 |
Everwide FX219G5 Silicone Potting Compound – high-thermal, UL94 V-0 silicone potting for electronic modules. Compare with Shin-Etsu KET-132 silicone potting.
FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.
As the year draws to a close and the Christmas season arrives, Avantek Viet Nam would like to extend our warmest Christmas greetings to all our valued customers, partners, and friends.
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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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