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	Original Value	Comments

Specific Gravity	1.22 g/cc	ASTM D792
Density	1.22 g/cc	ASTM D792
Filler Content	40 %	ASTM D2584
	40.0 %	TPG WI
Water Absorption	0.000 % @Time 86400 sec	ASTM D570
Linear Mold Shrinkage	0.0020 cm/cm @Thickness 1.59 mm	ASTM D955
	0.00200 in/in @Thickness 3.17 mm	ASTM D955
Melt Flow	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	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	102	ASTM D785
Tensile Strength at Break	7800 psi	ASTM D638
Tensile Strength	7800 psi	ASTM D638
Elongation at Break	3.00 %	ASTM D638
Elongation at Yield	2.00 %	ASTM D638
Tensile Modulus	630 ksi	ASTM D638
Flexural Strength	11400 psi	ASTM D638
	11400 psi	ASTM D790
Flexural Modulus	800 ksi	tangent; ASTM D790
	800000 psi	Tangent; ASTM D790
Izod Impact, Notched	1.20 ft-lb/in	At 73°F; ASTM D256
	1.20 ft-lb/in	ASTM D256
Gardner Impact	0.225 ft-lb	ASTM D3029
	4.00 in-lb @Thickness 12.7 mm	tup; ASTM D5420

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	294 °F	ASTM D648
	315 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	300 °F	ASTM D648

Processing Properties	Original Value	Comments
Rear Barrel Temperature	410 - 430 °F
Middle Barrel Temperature	420 - 440 °F
Front Barrel Temperature	440 - 460 °F
Nozzle Temperature	440 - 480 °F
Melt Temperature	450 - 500 °F
Mold Temperature	120 - 150 °F
Drying Temperature	180 - 220 °C @Time 3600 - 7200 sec
Back Pressure	25.0 - 75.0 psi
Screw Speed	30.0 - 60.0 rpm

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