
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.
• Item Name: LOCTITE® 603
• Manufacturer: Henkel
• Technologies: Acrylic (Urethane Methacrylate)
• Color: Green Liquid
• Cure Type: Anaerobic, Secondary Cure with Activator
• Package Size: Contact to Avantek for details.
• Shelf Life: Contact to Avantek for details.
LOCTITE® 603 is a high-strength anaerobic retaining compound designed for bonding cylindrical fitting parts, especially where surface cleanliness is not assured. It prevents loosening and leakage due to shock and vibration. The product fluoresces under UV light and offers a secondary cure with an activator. It is NSF P1 registered for use in food processing areas where there is no food contact.
| Property | Value |
|---|---|
| Appearance | Green liquid |
| Specific Gravity @ 25°C | 1.1 |
| Viscosity (Brookfield RVT, 25°C, Spindle 1, 20 rpm) | 100 – 150 mPa·s (cP) |
| Flash Point | See SDS |
| Property | Value |
| Coefficient of Thermal Expansion (ISO 11359-2) | 80×10⁻⁶ K⁻¹ |
| Thermal Conductivity (ISO 8302) | 0.1 W/(m·K) |
| Specific Heat | 0.3 kJ/(kg·K) |
| Property | Value |
| Compressive Shear Strength (Steel) | ≥22.5 N/mm² (3,260 psi) |
| Compressive Shear Strength (Steel, 30 min @ 22°C) | ≥13.5 N/mm² (1,960 psi) |
| Environment | Temperature (°C) | 100h | 500h | 1000h |
| Motor Oil (MIL-L-46152) | 125 | 100% | 100% | 100% |
| Unleaded Petrol | 22 | 100% | 90% | 85% |
| Brake Fluid | 22 | 100% | 90% | 80% |
| Water/Glycol 50/50 | 87 | 100% | 90% | 80% |
| Ethanol | 22 | 100% | 100% | 75% |
| Acetone | 22 | 90% | 90% | 90% |

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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