
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: Everwide
Product Number: JC349-4
Technology: One-Component Epoxy Adhesive
Color: Black
Cure Type: Heat Curing
Package Size: Contact us for details
Shelf Life: 1 year
Everwide JC349-4 is a one-component epoxy adhesive designed for electronic device applications. It develops tough, strong structural bonds with excellent shear, peel, and impact strength. The cured product provides superior protection and vibration resistance, making it suitable for electronic encapsulation. This resin exhibits high durability, excellent electrical insulation, and moisture resistance, ensuring long-term reliability in demanding conditions.
| Property | JC349-4 |
|---|---|
| Appearance | Liquid |
| Color | Black |
| Viscosity (25°C, S14 10rpm, cps) | 45,000–85,000 |
| Property | Value |
|---|---|
| Pot Life (25°C) | 7 days |
| Through Cure Time (120°C) | 40 min |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 130°C |
| CTE (<Tg), µm/m/°C | 50 |
| CTE (>Tg), µm/m/°C | 160 |
| Durometer Hardness (Shore D) | 89 |
| Specific Gravity | 1.48 |
| Water Absorption (25°C, 24 hr) | 0.59% |
| Water Absorption (80°C, 24 hr) | 2.06% |
| Water Absorption (97°C, 1.5 hr) | 0.84% |
| Degradation Temperature (TGA, 10°C/min) | 317°C |
| Weight Loss Ratio @ 100°C | 0.17% |
| Weight Loss Ratio @ 150°C | 0.33% |
| Weight Loss Ratio @ 200°C | 0.47% |
| Weight Loss Ratio @ 250°C | 0.83% |
| Weight Loss Ratio @ 300°C | 2.99% |
| Weight Loss Ratio @ 350°C | 13.50% |
| Volume Resistivity | 4.5 × 10¹⁵ ohm-cm |
| Surface Resistivity | 4.5 × 10¹⁴ ohm |
| Dielectric Constant (1 kHz) | 3.2 |

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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