Permabond UV7141 UV-curable Adhesive

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Permabond UV7141 UV-curable Adhesive
Categories:	Polymer; Adhesive; Thermoset; Acrylic/Cyanoacrylate Adhesive
Material Notes:	Permabond UV7141 is a UV-curable adhesive with a secondary anaerobic cure mechanism. This makes it ideal for bonding materials such as ceramic-coated glass, mirrors, etc. where UV-light cannot penetrate to provide full cure in shadow areas. This dual cure mechanism helps speed up production rates. The UV cure tacks the components in place in seconds, reducing the need for jigging. The bulk of the adhesive then cures more slowly to produce optimum performance. Features & Benefits: Cures in shadow areas High shear strength Excellent environmental resistance 100% solids, no solvents Excellent adhesion to metal and glass Information provided by Permabond.
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Physical Properties	Original Value	Comments

Specific Gravity	1.05 g/cc	Uncured
Viscosity	1000 - 2000 cP @Temperature 25.0 °C	Uncured
Storage Temperature	5.00 - 25.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60 - 70
Tensile Strength	20.0 MPa	ASTM D2095
Elongation at Break	20 - 50 %
Adhesive Bond Strength	14.0 - 17.0 MPa	Glass/steel, Shear

Electrical Properties	Original Value	Comments
Dielectric Constant	4.0 @Frequency 1e+6 Hz, Temperature 25.0 °C
Dielectric Strength	10.0 - 12.0 kV/mm

Thermal Properties	Original Value	Comments
CTE, linear	85.0 µm/m-°C

Optical Properties	Original Value	Comments
Refractive Index	1.49
UV Transmittance	>= 98 %

Processing Properties	Original Value	Comments
Cure Time	0.500 - 1.00 hour	Anaerobic cure speed
	3.00 - 6.00 hour	Anaerobic working strength
	5.00 - 20.0 sec	fixture time, (low power 4mW lamp)
Shelf Life	12.0 Month

Descriptive Properties
Appearance	Colorless	Uncured
Cure Wavelength (nm)	365
Maximum Gap Fill (mm)	0.3
Strength Retention	10% at 200°C	Relative to 0°C
	100% at 0°C	Relative to 0°C
	30% at 150°C	Relative to 0°C
	75% at 100°C	Relative to 0°C
	95% at 50°C	Relative to 0°C

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PPERMA933 / 162793

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