LOCTITE® 493 is a general-purpose cyanoacrylate adhesive, specifically designed for bonding metal substrates but also suitable for rubbers and plastics. It is a single-component, very low-viscosity adhesive that cures upon exposure to humidity.
Key Features:
| Property | Value |
|---|---|
| Specific Gravity @ 25°C | 1.1 |
| Viscosity (Cone & Plate, 25°C) | 1 to 4 mPa·s |
| Viscosity (Brookfield, 25°C) | 1 to 10 mPa·s |
| Vapor Pressure, hPa | <1 |
| Property | Value |
|---|---|
| Coefficient of Thermal Expansion | 100×10⁻⁶ K⁻¹ |
| Thermal Conductivity | 0.1 W/(m·K) |
| Volume Resistivity (IEC 60093) | 2×10¹⁵ to 10×10¹⁵ Ω·cm |
| Surface Resistivity (IEC 60093) | 10×10¹⁵ to 80×10¹⁵ Ω |
| Dielectric Breakdown Strength | 25 kV/mm |
Fixture Time @ 22°C / 50% RH:
Cure Speed is Affected By:
| Substrate | Strength (N/mm²) | Strength (psi) |
|---|---|---|
| Steel (grit blasted) | 20 to 30 | 2,900 to 4,350 |
| Aluminum (grit blasted) | 15 to 22 | 2,175 to 3,190 |
| Zinc Dichromate | 4 to 12 | 580 to 1,740 |
| ABS / PVC | 6 to 20 | 870 to 2,900 |
| Polycarbonate | 5 to 20 | 725 to 2,900 |
| Neoprene / Nitrile | 5 to 15 | 725 to 2,175 |
| Condition | % Strength Retention |
|---|---|
| Motor Oil (40°C, 1000h) | 100% |
| Gasoline (22°C, 1000h) | 95% |
| Isopropanol / Ethanol (22°C, 1000h) | 95-100% |
| Freon TA / Trichloroethane (22°C, 1000h) | 95% |
| Heat & Humidity (95% RH, 40°C, 1000h) | 40% |
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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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