Plastics Group Polifil® 89MRGFHS Glass Fiber and Mineral Reinforced Nylon 6 (DAM)

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Plastics Group Polifil® 89MRGFHS Glass Fiber and Mineral Reinforced Nylon 6 (DAM)
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, Glass/Mineral Reinforced
Material Notes:	Polifil® GFN/MRN 6 reinforced series of compounds provide good heat and dimensional stability and offer extended or continuous stability under high temperatures. These have been found useful in industrial clamp components as well as bearings. Standard processing techniques are applicable. Information provided by The Plastics Group.
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Physical Properties	Original Value	Comments

Specific Gravity	1.48 g/cc	ASTM D792
Density	1.48 g/cc	ASTM D792
Filler Content	40.0 %	TPG WI
Water Absorption	0.90 %	24 hours; ASTM D570
	0.0900 % @Time 86400 sec	ASTM D570
Linear Mold Shrinkage	0.00400 in/in @Thickness 3.17 mm	ASTM D955
	0.010 cm/cm @Thickness 3.17 mm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	121	ASTM D785
	121	ASTM D785
Tensile Strength at Break	17000 psi	ASTM D638
Tensile Strength	17000 psi	ASTM D638
Elongation at Break	3.0 %	ASTM D638
	3.00 %	ASTM D638
Elongation at Yield	2.00 %	ASTM D638
Tensile Modulus	1000 ksi	ASTM D638
Flexural Strength	24000 psi	ASTM D790
Flexural Modulus	950 ksi	tangent; ASTM D790
	950000 psi	Tangent; ASTM D790
Izod Impact, Notched	0.800 ft-lb/in	At 73°F; ASTM D256
	1.80 ft-lb/in	ASTM D256
Gardner Impact	6.00 in-lb @Thickness 12.7 mm	tup; ASTM D5420

Electrical Properties	Original Value	Comments
Dielectric Constant	3.7 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	340 V/mil	ASTM D149

Thermal Properties	Original Value	Comments
Melting Point	425 °F	ASTM D789
Deflection Temperature at 0.46 MPa (66 psi)	420 °F	ASTM D648
	420 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	390 °F	ASTM D648
	390 °F	ASTM D648

Processing Properties	Original Value	Comments
Rear Barrel Temperature	480 °F
Middle Barrel Temperature	520 °F
Front Barrel Temperature	540 °F
Nozzle Temperature	540 °F
Melt Temperature	530 - 560 °F
Mold Temperature	100 - 200 °F
Drying Temperature	104 °C @Time 7200 sec
Back Pressure	25.0 - 75.0 psi
Screw Speed	30.0 - 60.0 rpm

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