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.
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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.
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