
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.
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.

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
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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