Wellman Wellamid® MRGF25/15 42H-N 25% Mineral/15% Glass Fiber Reinforced Nylon 6, Heat Stabilized

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Wellman Wellamid® MRGF25/15 42H-N 25% Mineral/15% Glass Fiber Reinforced Nylon 6, Heat Stabilized
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, Glass/Mineral Reinforced
Material Notes:	Typical Applications: Lawn and garden equipment, automotive trim, bezels, wheel covers, window frames, gas tank filler housings, brackets, metalized lighting reflectors for automotive, automotive cooling fans & shrouds, automotive door handles, brackets, automotive mirror shells, painted parts, components for small gas engines, sporting goods, auto luggage rack components. Data provided by the manufacturer, Wellman Inc.
Key Words:	Polyamide 6
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Physical Properties	Original Value	Comments

Density	1.46 g/cc	ISO 1183
Water Absorption	0.80 %	Approximate 24 hr.
Linear Mold Shrinkage	0.0020 - 0.0060 cm/cm	ISO 294-4

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	120 MPa	ISO 527
Elongation at Break	3.0 %	ISO 527
Flexural Yield Strength	185 MPa	ISO 178
Flexural Modulus	7.50 GPa	ISO 178
Izod Impact, Notched	0.500 J/cm	ISO 180

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	200 °C	ISO 75
Flammability, UL94	HB @Thickness 1.57 mm	UL 94

Processing Properties	Original Value	Comments
Rear Barrel Temperature	530 - 560 °F
Middle Barrel Temperature	520 - 540 °F
Front Barrel Temperature	510 - 530 °F
Nozzle Temperature	490 - 540 °F
Melt Temperature	520 - 570 °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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PWEL48 / 72328

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