Wellman PP A422-LG40 Polypropylene with 40% Long Glass Fiber

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Wellman PP A422-LG40 Polypropylene with 40% Long Glass Fiber
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% 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	Original Value	Comments

Density	1.23 g/cc	ISO 1183
Filler Content	40 %	Glass; ISO 3451
Linear Mold Shrinkage	0.0010 - 0.0030 cm/cm	PRET

Mechanical Properties	Original Value	Comments
Tensile Strength	125 MPa	5mm/min; ISO 527
Elongation at Break	2.2 %	5mm/min; ISO 527
Tensile Modulus	9200 MPa	1 mm/min; ISO 527
Flexural Strength	185 MPa	2mm/min; ISO 178
Flexural Modulus	8600 MPa	2mm/min; ISO 178
Charpy Impact Unnotched	60.0 kJ/m² @Temperature 23.0 °C	ISO 179
Charpy Impact, Notched	25.0 kJ/m² @Temperature 23.0 °C	ISO 179
	35.0 kJ/m² @Temperature -40.0 °C	ISO 179

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	160 °C	ISO 75
Flammability Test	30 @Thickness 3.00 mm	ISO 3795

Processing Properties	Original Value	Comments
Rear Barrel Temperature	230 - 250 °C
Middle Barrel Temperature	240 - 260 °C
Front Barrel Temperature	240 - 260 °C
Nozzle Temperature	240 - 260 °C
Melt Temperature	230 - 270 °C
Mold Temperature	40.0 - 80.0 °C
Drying Temperature	90.0 - 110 °C @Time 7200 - 14400 sec
Moisture Content	<= 0.20 %
Injection Pressure	40.0 - 110 MPa
Back Pressure	0.100 - 0.500 MPa
Screw Speed	20 - 70 rpm

Descriptive Properties
Injection Speed	slow

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PWEL00910 / 250032

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