Permabond 940 Cyanoacrylate, low odor

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Permabond 940 Cyanoacrylate, low odor
Categories:	Polymer; Adhesive; Thermoset; Acrylic/Cyanoacrylate Adhesive
Material Notes:	PERMABOND 940 is a low odor, non-fogging non-frosting alkoxyethyl cyanoacrylate. The reduced odor improves worker comfort. Unsightly fogging adjacent to bondlines, common with other cyanoacrylate adhesives on hot and humid days, is eliminated. The elimination of fogging improves the production rate of acceptable parts as well as their appearance. The adhesive is very stable and will provide optimum performance for one year when refrigerated. Features & Benefits: Low odor for improved worker comfort Non-frosting –good aesthetic appearance Ease of use – no mixing or heat cure Bonds most materials 100% reactive, no solvents. Information provided by Permabond.
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc	Uncured
Viscosity	3.0 - 10 cP @Temperature 25.0 °C	Uncured
Storage Temperature	2.00 - 7.00 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85	ISO 868
Adhesive Bond Strength	4.00 MPa	Phenolic, Shear; ISO 4587
	5.00 MPa	PVC, Shear; ISO 4587
	>= 5.00 MPa	PC, Substrate Failure, Shear; ISO 4587
	>= 6.00 MPa	ABS, Substrate Failure, Shear; ISO 4587
	8.00 MPa	Zinc, Shear; ISO 4587
	8.00 - 9.00 MPa	Aluminum, Shear; ISO 4587
	16.0 - 20.0 MPa	Steel, Shear; ISO 4587
Impact	3.0 - 5.0	kJ/m² Adhesive Impact Strength; ASTM D950

Electrical Properties	Original Value	Comments
Dielectric Constant	3.0 @Frequency 1e+6 Hz
Dielectric Strength	25.0 kV/mm	DIN 53481

Thermal Properties	Original Value	Comments
CTE, linear	90.0 µm/m-°C
Thermal Conductivity	0.100 W/m-K
Maximum Service Temperature, Air	180 °F
Minimum Service Temperature, Air	-80.0 °F

Processing Properties	Original Value	Comments
Cure Time	2.00 - 5.00 sec	Neoprene, handling time
	10.0 - 15.0 sec	Steel, handling time
	10.0 - 15.0 sec	Aluminum, handling time
	10.0 - 15.0 sec	PVC, handling time
	10.0 - 15.0 sec	Phenolic resin, handling time
	10.0 - 15.0 sec	ABS, handling time
	24.0 hour	full strength
	30.0 - 40.0 sec	Zinc, handling time

Descriptive Properties
Appearance	Colorless	Uncured
Maximum Gap Fill (mm)	0.05
Strength Retention	10% at 150°C	Relative to 0°C
	100% at 0°C	Relative to 0°C
	30% at 100°C	Relative to 0°C
	55% at -50°C	Relative to 0°C
	90% at 50°C	Relative to 0°C

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