Wellman PP A422-LG25 Polypropylene with 30% Long Glass Fiber

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Wellman PP A422-LG25 Polypropylene with 30% Long Glass Fiber
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 30% 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	1.08 g/cc	ISO 1183
Filler Content	25 %	Glass; ISO 3451
Linear Mold Shrinkage	0.0030 - 0.0050 cm/cm @Treatment Temp. 23.0 °C, Time 173000 sec	PRET

Mechanical Properties	Original Value	Comments
Tensile Strength	100 MPa	5mm/min; ISO 527
Elongation at Break	>= 3.0 %	5mm/min; ISO 527
Flexural Strength	140 MPa	2mm/min; ISO 178
Flexural Modulus	5400 MPa	2mm/min; ISO 178
Charpy Impact Unnotched	55.0 kJ/m² @Temperature 23.0 °C	ISO 179
Charpy Impact, Notched	20.0 kJ/m² @Temperature 23.0 °C	ISO 179

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	158 °C	ISO 75
Flammability Test	30 @Thickness 3.00 mm	ISO 3795

Processing Properties	Original Value	Comments
Rear Barrel Temperature	210 - 230 °C
Middle Barrel Temperature	230 - 250 °C
Front Barrel Temperature	230 - 250 °C
Nozzle Temperature	230 - 250 °C
Melt Temperature	230 - 250 °C
Mold Temperature	40.0 - 70.0 °C
Drying Temperature	80.0 - 100 °C @Time 7200 - 14400 sec
Moisture Content	<= 0.20 %
Injection Pressure	40.0 - 110 MPa
Screw Speed	20 - 70 rpm

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

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PWEL00907 / 250029

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