Permabond 2050 Cyanoacrylate, flexible

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Permabond 2050 Cyanoacrylate, flexible
Categories:	Polymer; Adhesive; Thermoset; Acrylic/Cyanoacrylate Adhesive
Material Notes:	PERMABOND® 2050 is a flexible cyanoacrylate adhesive, exhibiting improved peel strengths when compared to other grades. It has excellent impact and vibration resistance, and is suitable for bonding dissimilar materials which could be subject to thermal shock or thermal cycling. 2050 is ideal for use on flexible or semiporous surfaces. It can also be used to bond silicone when used in conjunction with Permabond Polyolefin Primer (POP). Features & Benefits: Medium-high viscosity Flexible and toughened Fast cure Easy to apply and dispense 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	1200 - 1800 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	>= 5.00 MPa	PC, Substrate Failure, Shear; ISO 4587
	>= 6.00 MPa	ABS, Substrate Failure, Shear; ISO 4587
	>= 6.00 MPa	PVC, Substrate Failure, Shear; ISO 4587
	16.0 - 20.0 MPa	Steel, Shear; ISO 4587
Impact	5.0 - 10	kJ/m² Adhesive Impact Strength; ASTM D950

Electrical Properties	Original Value	Comments
Dielectric Constant	2.5 @Frequency 10000 Hz
Dielectric Strength	25.0 kV/mm

Thermal Properties	Original Value	Comments
CTE, linear	90.0 µm/m-°C
Thermal Conductivity	0.100 W/m-K

Processing Properties	Original Value	Comments
Cure Time	5.00 - 10.0 sec	Buna N Rubber, handling time
	5.00 - 10.0 sec	PVC, handling time
	10.0 - 15.0 sec	Steel, handling time
	24.0 hour	full strength

Descriptive Properties
Appearance	Colorless	Uncured
Maximum Gap Fill (mm)	0.2
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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PPERMA857 / 162751

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