Plastics Group Polifil® RMT-40 40% Talc-Reinforced Polypropylene, High Impact

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Plastics Group Polifil® RMT-40 40% Talc-Reinforced Polypropylene, High Impact
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% Talc Filler
Material Notes:	Polifil® RMT series compounds are high impact polypropylenes reinforced with asbestos-free talc. In addition to high impact strength, they possess a high flex modulus and high heat deflection resistance. These compounds are used in automotive applications and conform to the requirements of the FMVSS-302. Standard processing techniques are applicable. Information provided by The Plastics Group.
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Physical Properties	Original Value	Comments

Specific Gravity	1.24 g/cc	ASTM D792
Density	1.24 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	0.00900 in/in @Thickness 3.17 mm	ASTM D955
	0.011 cm/cm @Thickness 1.59 mm	ASTM D955
Melt Flow	8.0 - 12 g/10 min	230/2.16; May be specified; ASTM D1238
	8.00 - 12.0 g/10 min @Load 2.16 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	87	ASTM D785
Hardness, Shore D	74.0	ASTM D1415
Tensile Strength at Break	3750 psi	ASTM D638
Tensile Strength	3800 psi	ASTM D638
Elongation at Break	18.0 %	ASTM D638
Elongation at Yield	6.00 %	ASTM D638
Tensile Modulus	340 ksi	ASTM D638
Flexural Strength	6500 psi	ASTM D790
Flexural Modulus	360 ksi	tangent; ASTM D790
	420000 psi	Tangent; ASTM D790
Izod Impact, Notched	0.800 ft-lb/in	ASTM D256
	1.20 ft-lb/in	At 73°F; ASTM D256
Izod Impact, Unnotched	6.60 ft-lb/in	At 73°F; ASTM D256
Gardner Impact	3.333 ft-lb	ASTM D3029
	40.0 in-lb @Thickness 12.7 mm	tup; ASTM D5420

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	245 °F	ASTM D648
	260 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	145 °F	ASTM D648
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Rear Barrel Temperature	390 - 410 °F
Middle Barrel Temperature	410 - 430 °F
Front Barrel Temperature	430 - 450 °F
Nozzle Temperature	440 - 450 °F
Melt Temperature	400 - 500 °F
Mold Temperature	50.0 - 80.0 °F
Drying Temperature	180 - 220 °C @Time 3600 - 7200 sec
Back Pressure	50.0 - 100 psi
Screw Speed	50.0 - 100 rpm

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