• Item Name: LOCTITE® 638™
• Manufacturer: Henkel
• Technologies: Acrylic, Urethane Methacrylate
• Color: Green
• Cure Type: Anaerobic, Secondary Cure with Activator
• Package Size: Contact to Avantek for details.
• Shelf Life: Contact to Avantek for details.
| Property | Value |
|---|---|
| Specific Gravity @ 23°C | 1.1 |
| Viscosity (Brookfield RVT, 25°C, 20 rpm) | 2,500 mPa·s (cP) |
| Fluorescence | Yes (under UV light) |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 76°C |
| Coefficient of Thermal Expansion (below Tg) | 96 × 10⁻⁶ K⁻¹ |
| Coefficient of Thermal Expansion (above Tg) | 192 × 10⁻⁶ K⁻¹ |
| Substrate | Strength (N/mm² / psi) |
|---|---|
| Steel (cured 72h @ 23°C) | 29 / 4,200 |
| Stainless Steel (cured 72h @ 23°C) | 28 / 4,000 |
| Aluminum (cured 72h @ 23°C) | 17 / 2,710 |
| Condition | Value (N·m / lb·in) |
|---|---|
| Breakaway Torque (M10 bolts) | 57 / 510 |
| Prevail Torque (M10 bolts) | 22 / 200 |
| Chemical | Temperature (°C) | Strength Retention (%) |
|---|---|---|
| Motor oil (5W40) | 125°C | 165% |
| Brake fluid | 23°C | 115% |
| Water/glycol 50/50 | 87°C | 145% |
| Ethanol | 23°C | 100% |
| Acetone | 23°C | 105% |
| Condition | Temperature (°C) |
|---|---|
| Minimum | -75°C |
| Maximum | 250°C |
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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.
Office address: The Verosa Park, 39 street 10, Quarter 2, Long truong Ward, Ho Chi Minh City, Viet Nam
Website: avantek.vn
Email 1: info@avantek.vn
Email 2: long.pham@avantek.vn
Tel: (+84) 944 415 762
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