Wellman Wellamid® 22LHI4 XE-N Impact Modified Nylon 66, Lubricated & Heat Stabilized

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Wellman Wellamid® 22LHI4 XE-N Impact Modified Nylon 66, Lubricated & Heat Stabilized (discontinued **)
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, Impact Grade
Material Notes:	Typical Applications: Automotive fasteners, living hinge, head lamp adjustment devices, ink pen components, wire separators, hardware components, window installation clips, safety equipment. Data provided by the manufacturer, Wellman Inc.
Key Words:	Polyamide 66
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.09 g/cc	ISO 1183
Water Absorption	1.2 %	Approximate 24 hr.
Linear Mold Shrinkage	0.015 - 0.019 cm/cm	ISO 294-4

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	56.0 MPa	ISO 527
Elongation at Break	110 %	ISO 527
Flexural Yield Strength	70.0 MPa	ISO 178
Flexural Modulus	1.80 GPa	ISO 178
Izod Impact, Notched	2.20 J/cm	ISO 180

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	53.0 °C	ISO 75
Flammability, UL94	HB @Thickness 0.790 mm	From Wellman QC Laboratory Testing; UL 94

Processing Properties	Original Value	Comments
Rear Barrel Temperature	530 - 560 °F
Middle Barrel Temperature	520 - 550 °F
Front Barrel Temperature	510 - 540 °F
Nozzle Temperature	510 - 560 °F
Melt Temperature	520 - 580 °F
Mold Temperature	160 - 200 °F
Drying Temperature	175 °F	Opened bags and gaylord boxes
Dry Time	2 - 4 hour	Opened bags and gaylord boxes
Moisture Content	0.050 - 0.20 %	During molding to prevent hydrolytic degradation
	<= 0.20 %	In shipping bags, ready to mold
Injection Pressure	5000 - 20000 psi
Back Pressure	50.0 psi
Screw Speed	30 - 120 rpm

**
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PWEL12 / 72292

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