• Item Name: LOCTITE® 542
• Manufacturer: Henkel
• Technologies: Acrylic (Dimethacrylate ester)
• Color: Brown liquid
• Cure Type: Anaerobic; Secondary Cure: Activator
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 542 is an acrylic-based, medium-strength, anaerobic thread-sealing adhesive designed for locking and sealing metal pipes and fittings. It prevents loosening and leakage due to shock and vibration. The thixotropic nature minimizes migration after application.
| Property | Value |
|---|---|
| Uncured Properties | |
| Appearance | Brown liquid |
| Specific Gravity (@ 25°C) | 1.06 |
| Viscosity (Brookfield, mPa·s) | 400–800 (20 rpm), 1,200–2,750 (2.5 rpm) |
| Viscosity (EN 12092, mPa·s) | 150 (Shear rate 277 s⁻¹) |
| Cured Properties | |
| Coefficient of Thermal Expansion | 80×10⁻⁶ K⁻¹ |
| Coefficient of Thermal Conductivity | 0.1 W/(m·K) |
| Specific Heat | 0.3 kJ/(kg·K) |
| Adhesive Performance (24h @ 22°C) | |
| Breakaway Torque (M10 steel nuts/bolts) | 15 N·m (130 lb.in) |
| Prevail Torque (M10 steel nuts/bolts) | 9 N·m (80 lb.in) |
| Compressive Shear Strength (Steel pins/collars) | ≥6.5 N/mm² (940 psi) |
| Environmental Resistance (1000h exposure) | |
| Motor oil (125°C) | 100% strength retention |
| Unleaded petrol (22°C) | 95% strength retention |
| Brake fluid (22°C) | 95% strength retention |
| Water/Glycol 50/50 (87°C) | 90% strength retention |
| Acetone (22°C) | 80% strength retention |
LOCTITE ECCOBOND UF 9000AG-061 is specifically formulated for FCBGA and Cu pillar flip chip packaging, ensuring robust solder joint encapsulation under extreme electrothermal cycling from -65 °C to 150 °C. Its superior capillary flow also optimizes throughput in automated assembly lines for high-density ICs.
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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