Plastics Group Polifil® 625L Nylon 6/6 (DAM)

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Plastics Group Polifil® 625L Nylon 6/6 (DAM)
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, Unreinforced
Material Notes:	Polifil® NYLON 6/6 combines good abrasion and chemical resistance. Applications: Valves Bearings Bearing cases Standard processing techniques are applicable. Information provided by The Plastics Group.
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Physical Properties	Original Value	Comments

Specific Gravity	1.09 g/cc	ASTM D792
Density	1.09 g/cc	ASTM D792
Water Absorption	1.2 %	24 hours; ASTM D570
	1.20 % @Time 86400 sec	ASTM D570
Linear Mold Shrinkage	0.015 cm/cm @Thickness 3.17 mm	ASTM D955
	0.0150 in/in @Thickness 3.17 mm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	113	ASTM D785
Tensile Strength at Break	7500 psi	ASTM D638
Tensile Strength	7500 psi	ASTM D638
Elongation at Break	60.0 %	ASTM D638
Elongation at Yield	8.00 %	ASTM D638
Tensile Modulus	310 ksi	ASTM D638
Flexural Strength	10000 psi	ASTM D790
	11500 psi	ASTM D790
Flexural Modulus	280 ksi	tangent; ASTM D790
	280000 psi	Tangent; ASTM D790
Izod Impact, Notched	4.50 ft-lb/in	At 73°F; ASTM D256
	4.50 ft-lb/in	ASTM D256
Gardner Impact	100 in-lb @Thickness 12.7 mm	tup; ASTM D5420

Thermal Properties	Original Value	Comments
Melting Point	491 °F	ASTM D789
Deflection Temperature at 0.46 MPa (66 psi)	440 °F	ASTM D648
	440 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	167 °F	ASTM D648
	167 °F	ASTM D648

Processing Properties	Original Value	Comments
Rear Barrel Temperature	550 °F
Middle Barrel Temperature	525 °F
Front Barrel Temperature	540 °F
Nozzle Temperature	550 °F
Melt Temperature	540 - 580 °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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