LOCTITE 638, 50 ml Bottle
ID: 1803365
A 1-part, designed for bonding cylindrical fitting parts, particularly with narrow bond gaps up to 0.25 mm (0.01"). Great for a fast cure on all metals, including passive substrates like stainless steel.
- Ideal for shafts, gears, pulleys and similar cylindrical parts
- High strength on all metals, including passive substrates (e.g. stainless steel)
- High temperature resistance
- Fluorescent under UV for quality control
- KIWA GASTEC QA AR 214 certified for hydrogen gas systems
€50.76
In stock
Technical and safety documents
For a retaining compound offering high strength on all metals, including passive substrates, try LOCTITE® 638. You can expect high temperature performance and good oil tolerance, a fixture time of just four minutes, and gap fill of 0.15 mm to 0.25 mm (0.006" to 0.01"). It even tolerates minor surface contaminants, including industrial oils. A high-viscosity product, it’s ideal for shafts, gears, pulleys and similar cylindrical parts, and can also be used for high-strength threadlocking and thread sealing applications. Operating temperature is -55°C to 180°C (-65°F to 355°F). LOCTITE 638 meets the performance requirements of KIWA GASTEC QA AR 214 for admixtures up to and including 100% hydrogen gas on metal threaded fittings – certifications are available in select countries.
| Recommended for use with | Metal: steel |
|---|---|
| Fixture time | 4.0 min. |
| Key characteristics | Strength: high strength, Temperature resistant, Oil tolerant, Fluorescent, Viscosity: high viscosity |
| Colour | Green |
| Agency approvals / certificates / specifications | NSF P1 Reg. No 123010, DVGW (EN 751-1): NG-5146AR0619, WRAS (BS 6920): 0511518 |
| Applications | Retaining, For slip fitted parts, For close fitting cylindrical parts |
| Technology | Acrylic |
| Physical form | Liquid |
| Application method | Dispense system, Manual |
| Cure type | Anaerobic cure |
| Gap fill | 0.15 mm - 0.25 mm |
| Operating temperature | -55.0 °C - 180.0 °C ( -65.0 °F - 355.0 °F ) |
| Viscosity | 2500.0 mPa·s (cP) |
| Shear strength, Steel | 31.0 N/mm² ( 4500.0 psi ) |
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