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Loctite® 680 High Strength/High Viscosity Retaining Compound

Category Polymer , Adhesive , Thermoset
Manufacturer Loctite
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Loctite® 680 High Strength/High Viscosity Retaining Compound.pdf
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Material Notes:
RetainersLoctite 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 CompoundA 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
Physical Properties Metric English Comments
Density 1.11 g/cc
0.0401 lb/in³
Viscosity 1250 cP
1250 cP
Mechanical Properties Metric English Comments
Adhesive Bond Strength 27.6 MPa
4000 psi
Steel/Steel; Varies with substrates
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 149 °C
300 °F
Minimum Service Temperature, Air -53.9 °C
-65.0 °F
Processing Properties Metric English Comments
Cure Time 10.0 min
0.167 hour
1440 min

@Temperature 25.0 °C
24.0 hour

@Temperature 77.0 °F
Full Cure; Steel
Descriptive Properties Value Comments
Color Green
Gap Fill 0.015 in.
Diametral
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