• Item Name: LOCTITE® SI 5460™ Pink
• Manufacturer: Henkel
• Technologies: Silicone, Oxime silicone, Thixotropic
• Color: Pink paste
• Cure Type: Room temperature vulcanizing (RTV)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® SI 5460™ (Pink) is a one-component oxime silicone sealant in smooth pink paste form. It is thixotropic to reduce migration after application and cures at room temperature (RTV). The product is designed for sealing applications requiring excellent resistance to automotive engine oils and high joint movement, making it suitable for components such as stamped sheet metal covers, timing covers, and oil sumps.
Sealing of automotive engine components
Stamped sheet metal covers (timing covers, oil sumps)
Applications requiring oil resistance and flexibility under joint movement
| Property | Uncured | After Mixing / Cured |
|---|---|---|
| Specific Gravity @ 20°C | 1.3 | – |
| Extrusion Rate, g/min (0.6 MPa, 25°C, 3 mm nozzle) | 300–600 | – |
| Cure Type | Room Temperature Vulcanizing (RTV) | Fully cured after 7–21 days @ 23–25°C / 50–60% RH |
| Tack Free Time | – | 20 min @ 25°C / 50±5% RH |
| Depth of Cure | – | Up to 10 mm over 14 days |
| Shore Hardness, ISO 868, Durometer A | – | 44–56 |
| Elongation at break, ISO 37, % | – | 240–360 |
| Tensile Strength, ISO 37 N/mm² (psi) | – | ≥1.7 (≥247) |
| Lap Shear Strength, ISO 4587 N/mm² (psi) | – | Mild steel: 0.9–1.4 (130–200); Aluminum 2024-T3: 0.6–1.4 (90–205); Alclad/Zinc dichromate: 1.0–1.6 (145–230) |
| Dielectric Constant / Dissipation Factor | – | 1 kHz: 4.53 / 0.019; 100 kHz: 4.09 / 0.009; 1 MHz: 4.05 / 0.008; 10 MHz: 4.08 / 0.017 |
| Volume Resistivity, Ω·cm | – | 1.69×10¹⁴ |
| Surface Resistivity, Ω | – | 2.81×10¹⁶ |
Notes:
Functional strength develops progressively, reaching full performance over 7–21 days.
Excellent resistance to automotive oils and high temperatures (tested up to 200°C).
Suitable for high joint-movement sealing applications.
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