Henkel Adhesive Technologies

Henkel Adhesive Technologies

Retaining compounds

LOCTITE® 638

High strength, general purpose bonding of cylindrical parts

Designed for bonding cylindrical fitting parts, particularly with narrow bond gaps up to 0.25mm. Great for a fast cure on all metals, including passive substrates like stainless steel. 

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH) 1835936
LOCTITE® 638, 50 ml Bottle

Size Please make your selection 50 ml

Documents

Information

For a retaining compound offering high strength on all metals, including passive substrates, choose LOCTITE® 638. You can expect high temperature performance and good oil tolerance, a fixture time of just four minutes, and gap fill of 0.15mm to 0.25mm. It even tolerates minor surface contaminants, including industrial oils. A high viscosity (thickness) product, it’s ideal for shafts, gears, pulleys, and similar cylindrical parts. Operating temperature is 55°C to 180°C (-65°F to 355°F). 

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 mm - 0.25 mm

Key characteristics:

Fluorescent,Oil Tolerant,Strength: High Strength,Temperature Resistant,Viscosity: High Viscosity

Operating temperature:

-55.0 °C - 180.0 °C (-65.0 °F - 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)

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