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	Metric	English	Comments

Density	1.09 g/cc	0.0394 lb/in³	ISO 1183
Water Absorption	1.2 %	1.2 %	Approximate 24 hr.
Linear Mold Shrinkage	0.015 - 0.019 cm/cm	0.015 - 0.019 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	56.0 MPa	8120 psi	ISO 527
Elongation at Break	110 %	110 %	ISO 527
Flexural Yield Strength	70.0 MPa	10200 psi	ISO 178
Flexural Modulus	1.80 GPa	261 ksi	ISO 178
Izod Impact, Notched	2.20 J/cm	4.12 ft-lb/in	ISO 180

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	53.0 °C	127 °F	ISO 75
Flammability, UL94	HB @Thickness 0.790 mm	HB @Thickness 0.0311 in	From Wellman QC Laboratory Testing; UL 94

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	277 - 293 °C	530 - 560 °F
Middle Barrel Temperature	271 - 288 °C	520 - 550 °F
Front Barrel Temperature	266 - 282 °C	510 - 540 °F
Nozzle Temperature	266 - 293 °C	510 - 560 °F
Melt Temperature	271 - 304 °C	520 - 580 °F
Mold Temperature	71.1 - 93.3 °C	160 - 200 °F
Drying Temperature	79.4 °C	175 °F	Opened bags and gaylord boxes
Dry Time	2 - 4 hour	2 - 4 hour	Opened bags and gaylord boxes
Moisture Content	0.050 - 0.20 %	0.050 - 0.20 %	During molding to prevent hydrolytic degradation
	<= 0.20 %	<= 0.20 %	In shipping bags, ready to mold
Injection Pressure	34.5 - 138 MPa	5000 - 20000 psi
Back Pressure	0.345 MPa	50.0 psi
Screw Speed	30 - 120 rpm	30 - 120 rpm

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PWEL12 / 72292

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