
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.
Brand: 3M™ Scotch-Weld™
Product Number: EC-3964
Technologies: Modified Epoxy in Solution
Color: Light Tan
Cure Type: Heat Cure
Package Sizes: 1 Gallon
Shelf Life: 6 months
3M™ Scotch-Weld™ Structural Adhesive EC-3964 is a modified epoxy in solution designed for high-strength bonding applications in aerospace and industrial sectors. It is a solution version of 3M™ Structural Adhesive Film AF 147 and is primarily used for bonding screens in sound suppression panels on aircraft engine nacelles. This adhesive offers high shear and peel strength, excellent performance at temperatures up to 350°F (177°C), and can be sprayed, brushed, or flow applied for various applications.
| Attribute Name | Value |
|---|---|
| Base Resin | Modified Epoxy in Solution |
| Density | 7.0 – 7.5 lb/gal (0.84 – 0.90 g/cc) |
| Consistency | Thin Liquid (Sprayable) |
| Flash Point (Closed Cup) | 20°F (-6.7°C) |
| Viscosity (Brookfield Viscometer RVF #1 at 20 rpm) | 18 – 23 cP |
| Color | Light Tan |
| Solids Content by Weight | 18 – 22% |
| Viscosity (Zahn No. 1 Cup) | 27 – 42 seconds |
| Attribute Name | Value |
|---|---|
| Cured Color | Light Tan |
| Attribute Name | Test Temperature | Typical Value | Test Method |
|---|---|---|---|
| Floating Roller Peel Strength | 75°F (24°C) | 31 piw (138 N/25 mm) | ASTM D3167 |
| Lap Shear Strength | -67°F (-55°C) | 4700 psi (32.4 MPa) | ASTM D1002 |
| Lap Shear Strength | 75°F (24°C) | 4700 psi (32.4 MPa) | ASTM D1002 |
| Lap Shear Strength | 300°F (149°C) | 1800 psi (12.4 MPa) | ASTM D1002 |
Tests were conducted on optimized FPL etched 2024-T3 Alclad aluminum panels with adhesive applied, dried, and cured as per application guidelines. Lap shear specimens were tested at 0.10 in/min and floating roller peel specimens at 12 in/min.

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.

Partial Gasket & Seal Strategies Using Henkel Loctite SI 5910
Gasket sealing is a core part of many industrial assembly and maintenance operations — from automotive engine housings to HVAC covers and machinery flanges. When selecting a gasketing solution, you need something that forms reliably in place, resists movement and fluids, and simplifies application — which is where Henkel Loctite SI 5910 fits perfectly
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