LOCTITE® 638 - Bottle 10.0/case
Features and Benefits
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LOCTITE 638 is a high strength, fast curing, general purpose retaining compound.
LOCTITE® 638 is designed for the bonding of cylindrical fitting parts, particularly with narrow bond gaps approaching 0.25 mm. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. It not only works on active metals but also on passive substrates, exhibiting robust cure performance. The product offers high-temperature performance and good oil tolerance, and tolerates minor surface contaminants.
- Ideal for shafts, gears, pulleys and similar cylindrical parts
- High strength on all metals, including passive substrates (e.g. stainless steel)
- High temperature resistance
- Tolerates minor contaminants, including industrial oils
- DVGW Approval (EN 751-1): NG-5146AR0619
Documents and Downloads
Safety Data Sheets and RoHs
- Bottle 10.0/case - IDH 1835925
- Bottle 10.0/case - IDH 1835936
- Bottle 10.0/case - IDH 1835937
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Technical Information
Agency approvals / certificates / specifications | DVGW (EN 751-1): NG-5146AR0619, NSF P1 Reg. No 123010, WRAS (BS 6920): 0511518 |
Application method | Dispense system, Manual |
Applications | For close fitting cylindrical parts, For slip fitted parts, Retaining |
Color | Green |
Cure type | Anaerobic cure |
Fixture time | 4.0 min. |
Gap fill | 0.15 - 0.25 mm |
Key characteristics | Fluorescent, Oil tolerant, Strength: high strength, Temperature resistant, Viscosity: high viscosity |
Operating temperature | -55.0 - 180.0 °C (-65.0 - 355.0 °F ) |
Physical form | Liquid |
Recommended for use with | Metal: steel |
Shear strength, Steel | 31.0 N/mm² (4500.0 psi ) |
Viscosity | 2500.0 mPa·s (cP) |