Wellman PP A422-LG20 Polypropylene with 20% Long Glass Fiber

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Wellman PP A422-LG20 Polypropylene with 20% Long Glass Fiber
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 20% Glass Fiber Filler
Material Notes:	Long Glass Fiber Reinforced PP (LFT) produced by a pultrusion process. The pellet length is 10-15mm. PRET LFT provides outstanding mechanical performance and dimensional stability. Other benefits include high impact resistance, heat resistance, low warpage, low odor, and low VOC. Features: Combination of high level of stiffness, strength, and toughness, Weight reduction, Dimensional stability, Corrosion resistance, Heat resistance. Applications: Instrument Panel, Front End Module, Door Panel, Mirror Bracket, Floor Console. Information provided by Wellman Advanced Materials.
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Physical Properties	Metric	English	Comments

Density	1.04 g/cc	0.0376 lb/in³	ISO 1183
Filler Content	20 %	20 %	Glass; ISO 3451
Linear Mold Shrinkage	0.0015 - 0.0035 cm/cm @Treatment Temp. 23.0 °C, Time 173000 sec	0.0015 - 0.0035 in/in @Treatment Temp. 73.4 °F, Time 48.0 hour	PRET

Mechanical Properties	Metric	English	Comments
Tensile Strength	80.0 MPa	11600 psi	5mm/min; ISO 527
Elongation at Break	>= 2.8 %	>= 2.8 %	5mm/min; ISO 527
Tensile Modulus	5.10 GPa	740 ksi	1 mm/min; ISO 527
Flexural Strength	120 MPa	17400 psi	2mm/min; ISO 178
Flexural Modulus	4.50 GPa	653 ksi	2mm/min; ISO 178
Charpy Impact Unnotched	5.00 J/cm² @Temperature 23.0 °C	23.8 ft-lb/in² @Temperature 73.4 °F	ISO 179
Charpy Impact, Notched	1.80 J/cm² @Temperature 23.0 °C	8.57 ft-lb/in² @Temperature 73.4 °F	ISO 179
	2.00 J/cm² @Temperature -40.0 °C	9.52 ft-lb/in² @Temperature -40.0 °F	ISO 179

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	158 °C	316 °F	ISO 75
Flammability Test	30 @Thickness 3.00 mm	30 @Thickness 0.118 in	ISO 3795

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	210 - 230 °C	410 - 446 °F
Middle Barrel Temperature	230 - 250 °C	446 - 482 °F
Front Barrel Temperature	230 - 250 °C	446 - 482 °F
Nozzle Temperature	230 - 250 °C	446 - 482 °F
Melt Temperature	230 - 250 °C	446 - 482 °F
Mold Temperature	40.0 - 70.0 °C	104 - 158 °F
Drying Temperature	80.0 - 100 °C @Time 7200 - 14400 sec	176 - 212 °F @Time 2.00 - 4.00 hour
Moisture Content	<= 0.20 %	<= 0.20 %
Injection Pressure	40.0 - 110 MPa	5800 - 16000 psi
Screw Speed	20 - 70 rpm	20 - 70 rpm

Descriptive Properties
Back Pressure	as low as possible
Injection Speed	low to medium

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PWEL00905 / 250027

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