LOCTITE® 431™ is a medium-viscosity, one-part ethyl cyanoacrylate adhesive that cures with humidity. It is designed for strong tension and shear strength bonding across metals, plastics, elastomers, and porous materials such as wood, paper, leather, and fabric. It meets ISO-10993 biocompatibility standards for medical device applications.
| Property | Value |
|---|---|
| Uncured Properties | |
| Specific Gravity @ 25°C | 1.07 |
| Viscosity (mPa·s) @ 25°C | 600 – 1,200 (Cone & Plate) |
| Viscosity (Brookfield LVF) | 800 – 1,200 (Spindle 2, Speed 6 rpm) |
| Cured Properties | |
| Coefficient of Thermal Expansion (K⁻¹) | 364×10⁻⁶ |
| Thermal Conductivity (W/m·K) | 0.3 |
| Glass Transition Temperature (°C) | 183 |
| Electrical Properties | |
| Volume Resistivity (Ω·cm) | 10.9×10¹⁵ |
| Surface Resistivity (Ω) | 1.0×10¹⁵ |
| Dielectric Breakdown Strength (kV/mm) | 25 |
| Curing Performance | Cures with ambient moisture; full strength in 24 hours |
| Fixture Time (Steel) | 180 – 300 sec |
| Fixture Time (Aluminum) | 10 – 15 sec |
| Fixture Time (Polycarbonate) | 5 – 10 sec |
| Property | Value (N/mm²) | Value (psi) |
|---|---|---|
| Tensile Strength (ISO 6922) | ||
| Buna-N Rubber | ≥6 | ≥870 |
| Steel (grit blasted) | 13 – 20 | 1,900 – 2,900 |
| Lap Shear Strength | ||
| Steel (grit blasted) | 25 – 31 | 3,600 – 4,500 |
| Aluminum (etched) | 13 – 24 | 1,900 – 3,500 |
| ABS | 8 – 11 | 1,200 – 1,600 |
| Polycarbonate | 7 – 11 | 1,000 – 1,600 |
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Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
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.
Our solutions promise to bring best optimal effectiveness along with competitive prices, excellent customer services, dedicated on-site support.
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