Henkel Loctite® 620 High Temperature Retaining Compound

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Henkel Loctite® 620 High Temperature Retaining Compound
Categories:	Polymer; Adhesive; Thermoset
Material Notes:	Retainers Loctite Corporation, the pioneer of anaerobic adhesives, has applied this technology to create retaining compounds that increase the shear strength of cylindrical, non-threaded assemblies. Finding wide acceptance as a standard method for assembling press and slip-fitted parts, Loctite® Retaining Compounds fill the "inner space" between components and cure to form a strong precision assembly. Formulated in a selection of viscosities, gap filling ability, flexibility and strength characteristics, Loctite® Retaining Compounds can be applied with automatic process equipment or dispensed manually. Loctite® 620 High Temperature Retaining Compound A high temperature (450ºF), high viscosity liquid retaining compound. Provides a shear strength of over 3,500 psi on steel. Locks and secures metal cylindrical assemblies up to 0.15" diameter clearance. Prevents metal fretting and corrosion. Seals against leakage. Recommended Primer: 7649 (N). Typical Use: For high temperature applications
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Physical Properties	Original Value	Comments

Density	1.16 g/cc
Viscosity	8500 - 22000 cP	Thixotropic

Mechanical Properties	Original Value	Comments
Adhesive Bond Strength	3800 psi	Steel/Steel; Varies with substrates

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	450 °F
Minimum Service Temperature, Air	-65.0 °F

Processing Properties	Original Value	Comments
Cure Time	60.0 min
	24.0 hour @Temperature 25.0 °C	Full Cure; Steel

Descriptive Properties
Color	Green
Gap Fill	0.015 in.	Diametral

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