LOCTITE^® 609 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. Typical applications include rotor to shafts in fractional and subfractional horsepower motors. Locks bushings and sleeves in housings on shafts. Augments press fits.

FEATURES AND BENEFITS

Prevents loosening: It fills all gaps between the cylindrical components and cures into a hard thermoset plastic. This unitizes the assembly and prevents loosening and leakage from shock and vibration.
Augments press fit.
Recommended for parts that will need subsequent dismantling, for eg: retention of bearings on shaft and into housing.
Prevents loosening and leakage from shock and vibration.

APPLICATION

Retaining

Typical Properties

Technology	Acrylic
Chemical Type	Methacrylate ester
Appearance (uncured)	Green liquidLMS
Fluorescence	Positive under UV lightLMS
Components	One component – requires no mixing
Viscosity	Low
Cure	Anaerobic
Secondary Cure	Activator
Application	Retaining
Strength	High

TYPICAL PROPERTIES OF UNCURED MATERIAL

Specific Gravity @ 25 °C	1.1
Flash Point – See SDS
Viscosity, Cannon Fenske, ISO 3104, mPa·s (cP)	110 to 140LMS

TYPICAL PROPERTIES OF CURED MATERIAL

Physical Properties:
Coefficient of Thermal Expansion, ISO 11359-2,K^-1	80×10^-6
Coefficient of Thermal Conductivity, ISO 8302, W/(m·K)	0.1
Specific Heat, kJ/(kg·K)	0.3
Elongation, at break, ISO 37, %	<2
Adhesive Properties
After 24 hours @ 22 °C Compressive Shear Strength, ISO 10123 Steel pins and collars	N/mm² ≥15.8LMS (psi) (≥2,290)
After 1 hour @ 22 °C Compressive Shear Strength, ISO 10123 Steel pins and collars	N/mm² ≥10.3LMS (psi) (≥1,490)

Chemical/Solvent Resistance

		% of initial strength
Environment	°C	100 h	500 h	1000 h
Motor oil (MIL-L-46152)	125	100	100	100
Unleaded gasoline	22	100	100	100
Brake fluid	22	100	100	100
Water/glycol 50/50	87	100	85	80
Ethanol	22	100	100	100
Acetone	22	100	100	85

Resources

TDS:Download

IPA – Isopropyl Alcohol ES605L

https://prostech.ph/ipa-isopropyl-alcohol-es605l/

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3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Wood Adhesive EZ250120

https://prostech.ph/3m-scotch-weld-polyurethane-reactive-pur-easy-250-wood-adhesive-ez250120-2/

3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Wood Adhesives are 100% solid, warm temperature applied, moisture curing urethanes. These products