Plastics Group Polifil® GFPP-40 40% Glass-Reinforced Polypropylene

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Plastics Group Polifil® GFPP-40 40% Glass-Reinforced Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% Glass Fiber Filler
Material Notes:	Polifil® GFPP series compounds are homopolymer polypropylene resins reinforced with glass fibers. They provide high impact with increased strength, stiffness, surface hardness, and higher continuous temperature. Other benefits include reduced distortion under long-term stress. Applications: Appliances Electrical components Automotive Utility products Standard processing techniques are applicable. Information provided by The Plastics Group.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.22 g/cc	1.22 g/cc	ASTM D792
Density	1.22 g/cc	0.0441 lb/in³	ASTM D792
Filler Content	40 %	40 %	ASTM D2584
	40.0 %	40.0 %	TPG WI
Water Absorption	0.000 % @Time 86400 sec	0.000 % @Time 24.0 hour	ASTM D570
Linear Mold Shrinkage	0.0020 cm/cm @Thickness 1.59 mm	0.0020 in/in @Thickness 0.0625 in	ASTM D955
	0.00200 cm/cm @Thickness 3.17 mm	0.00200 in/in @Thickness 0.125 in	ASTM D955
Melt Flow	8.0 - 12 g/10 min	8.0 - 12 g/10 min	230/2.16; May be specified; ASTM D1238
	4.00 - 10.0 g/10 min @Load 2.16 kg, Temperature 230 °C	4.00 - 10.0 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	102	102	ASTM D785
Tensile Strength at Break	53.8 MPa	7800 psi	ASTM D638
Tensile Strength	53.8 MPa	7800 psi	ASTM D638
Elongation at Break	3.00 %	3.00 %	ASTM D638
Elongation at Yield	2.00 %	2.00 %	ASTM D638
Tensile Modulus	4.34 GPa	630 ksi	ASTM D638
Flexural Strength	78.6 MPa	11400 psi	ASTM D638
	78.6 MPa	11400 psi	ASTM D790
Flexural Modulus	5.52 GPa	800 ksi	Tangent; ASTM D790
	5.52 GPa	800 ksi	tangent; ASTM D790
Izod Impact, Notched	0.641 J/cm	1.20 ft-lb/in	At 73°F; ASTM D256
	0.641 J/cm	1.20 ft-lb/in	ASTM D256
Gardner Impact	0.305 J	0.225 ft-lb	ASTM D3029
	0.452 J @Thickness 12.7 mm	0.333 ft-lb @Thickness 0.500 in	tup; ASTM D5420

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	146 °C	294 °F	ASTM D648
	157 °C	315 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	149 °C	300 °F	ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	210 - 221 °C	410 - 430 °F
Middle Barrel Temperature	216 - 227 °C	420 - 440 °F
Front Barrel Temperature	227 - 238 °C	440 - 460 °F
Nozzle Temperature	227 - 249 °C	440 - 480 °F
Melt Temperature	232 - 260 °C	450 - 500 °F
Mold Temperature	48.9 - 65.6 °C	120 - 150 °F
Drying Temperature	180 - 220 °C @Time 3600 - 7200 sec	356 - 428 °F @Time 1.00 - 2.00 hour
Back Pressure	0.172 - 0.517 MPa	25.0 - 75.0 psi
Screw Speed	30.0 - 60.0 rpm	30.0 - 60.0 rpm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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