Loctite 640 - Slow-cure methacrylate ester retaining compound

Price £250.74 (exc VAT) Each — £300.89 (incl VAT)
AvailabilityContact us for lead time
Stock Code 640X250ML LOC
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LOCTITE 640 is a green, anaerobic, low viscosity, methacrylate ester-based retaining compound ideal for parts requiring a longer positioning time. Fixturing time on steel is 2 h. Also used for active metals such as brass. This is a high strength product with good temperature resistance. Max. diametrical clearance is 0.1 mm and service temperature is -55 to +175°C. Fluorescence allows product presence to be monitored.

* single component product, requires no mixing
* slow curing
* ideal for large diameter components
* also for active metals such as brass
* high strength
* good temperature resistance

Specifications

BrandLoctite
UNSPSC31201601
Chemical BasisMethacrylate
ColourGreen
TechnologyPolyurethane
Working Life30 to 60 min
Activator / Mic Ratio by Volume (A:B)-
Max. Gap Size (Max. Diametrical Clearance)0.1 mm
Fixture Time2 h
Service Temperature Range-55° to +175°C
Viscosity450 - 750 mPa-s
Tensile Shear Strength22 N/mm?
Approvals0
Fixture time steel2 h
ThixotropyNo
Shear Strength N/mm1 MPa
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