Henkel Loctite® 680 High Strength/High Viscosity Retaining Compound

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Henkel Loctite® 680 High Strength/High Viscosity 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® 680 High Strength/High Viscosity Retaining Compound A retaining compound for joining fitted cylindrical parts. Fixtures in 10 minutes and provides a shear strength of 4,000 psi on steel after 24 hours. Fills diameter gap distances up to 0.015". Recommended Primer: 7471 (T). NSF/ANSI 61 approved Typical Use: High strength for slip fitted parts
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Physical Properties	Original Value	Comments

Density	1.11 g/cc
Viscosity	1250 cP

Mechanical Properties	Original Value	Comments
Adhesive Bond Strength	4000 psi	Steel/Steel; Varies with substrates

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	300 °F
Minimum Service Temperature, Air	-65.0 °F

Processing Properties	Original Value	Comments
Cure Time	10.0 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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