Loctite Sleeve Retainer 640 – High Temperature

Loctite 640 is designed for the bonding of cylindrical fitting parts. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration.

Features:

• High temperature anaerobic adhesive
• Prevents loosening and leakage from shock and vibration
• Secures slip and press fit assemblies
• Restores fit to worn or out-of- tolerance assemblies
• Prevents surface corrosion
• Maximum of 3,000 psi holding power
• Works to 400°F
• OEM Approved

EMI Item #		LOC-37484
Item Type		Chemical
Product Type		Retaining Compund
Bottle Size (Milliliters)		36
Max Gap Fill (Dia)		.0007"
Viscosity (cP)		600
Shear Strength (psi)		up to 3000 - Varies by substrates
Temperature Range		-65*F to 400*F
Cure Speed		Fixture - 1 hour / Full - 24 hours
Recommended Primer		N or T
Specific Gravity		1.12
Approvals		MIL-R-46082B
Typical Applications		Bushings, Bearings, Cylinder Sleeves, Valve Seats
Color		Green
Brand		Henkel Loctite
Mfg Item #		37484
MSDS Inforamtion		Click Here To Download

Loctite 640 High Strength Sleeve Retainer Technical Data Sheet

Typical applications include retaining keys and splines, eliminating backlash in worn assemblies, retaining bearings in place - preventing spin out, retaining rotor to shafts in fractional and subfractional horsepower motors, retaining bushings and sleeves in housings and on shafts, augmenting press fits, restoring the fit to worn assemblies or out of tolerance parts.