Daikin NEOFLON® NP-21 FEP Pellets

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Daikin NEOFLON® NP-21 FEP Pellets (discontinued **)
Categories:	Polymer; Thermoplastic; Fluoropolymer; Fluorinated Ethylene Propylene (FEP); Fluorinated Ethylene Propylene (FEP), Molded/Extruded; Perfluoroalkoxy (PFA)
Material Notes:	NEOFLON FEP molding materials are supplied as translucent white pellets for melt flow processes. Processing Methods: Extrusion molding, injection molding. Applications: Suited to high speed extrusion and injection molding. Information provided by Daikin Industries.
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Physical Properties	Original Value	Comments

Specific Gravity	2.12 - 2.17 g/cc	ASTM D792
Bulk Density	1.20 g/cc
Water Absorption	<= 0.010 % @Thickness 8.50 mm, Time 86400 sec	ASTM D570
Oxygen Transmission	320 cc-mm/m²-24hr-atm	at 25°C
Nitrogen Transmission	104 cc-mm/m²-24hr-atm	at 25°C
Viscosity	4.00e+6 - 4.00e+7 cP @Temperature 380 °C	Melt viscosity
Linear Mold Shrinkage	0.030 - 0.060 cm/cm
Melt Flow	5.5 - 7.5 g/10 min @Load 5.00 kg, Temperature 372 °C
Deformation	3.0 %	13.7 MPa load, at 25°C, 24 hrs; ASTM D621
	5.0 %	6.7 MPa load, at 100°C, 24 hrs; ASTM D621

Mechanical Properties	Original Value	Comments
Hardness, Shore D	55
Tensile Strength at Break	19.0 - 22.0 MPa	ASTM D638
Elongation at Break	250 - 330 %	ASTM D638
Tensile Modulus	0.343 GPa	ASTM D638
Flexural Modulus	0.539 - 0.637 GPa	ASTM D790
Compressive Strength	5.00 - 6.00 MPa @Temperature 25.0 °C	1% deformation; ASTM D695
Izod Impact, Unnotched	NB	ASTM D256
Coefficient of Friction	0.040 - 0.060
Coefficient of Friction, Static	0.050	Coated-steel surface
Taber Abrasion, mg/1000 Cycles	<= 6.0	Calculated using estimated density, 9.8 N load, cs-10 wheel

Electrical Properties	Original Value	Comments
Volume Resistivity	<= 1.00e+18 ohm-cm	ASTM D257
Dielectric Constant	2.1 @Frequency 1000 Hz	ASTM D150
	2.1 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	20.0 - 24.0 kV/mm @Thickness 3.20 mm	Short time; ASTM D149
Dissipation Factor	0.000060 @Frequency 1000 Hz	ASTM D150
	0.00050 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	83.0 - 105 µm/m-°C @Temperature 23.0 - 60.0 °C	ASTM D696
Thermal Conductivity	0.250 W/m-K	ASTM C177
Melting Point	260 - 270 °C
Maximum Service Temperature, Air	200 °C	Continuous use
Flammability, UL94	V-0
Oxygen Index	>= 95 %	ASTM D2863

Descriptive Properties
Chemical Resistance	Excellent
Contact Angle	114	Angle to level
Weatherability	Excellent

**
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