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Rulon Bearings

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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 2.12 - 2.17 g/cc2.12 - 2.17 g/ccASTM D792
Bulk Density 1.20 g/cc0.0434 lb/in³
Water Absorption <= 0.010 %
@Thickness 8.50 mm,
Time 86400 sec		<= 0.010 %
@Thickness 0.335 in,
Time 24.0 hour		ASTM D570
Oxygen Transmission 320 cc-mm/m²-24hr-atm812 cc-mil/100 in²-24hr-atmat 25°C
Nitrogen Transmission 104 cc-mm/m²-24hr-atm263 cc-mil/100 in²-24hr-atmat 25°C
Viscosity 4.00e+6 - 4.00e+7 cP
@Temperature 380 °C		4.00e+6 - 4.00e+7 cP
@Temperature 716 °F		Melt viscosity
Linear Mold Shrinkage 0.030 - 0.060 cm/cm0.030 - 0.060 in/in
Melt Flow 5.5 - 7.5 g/10 min
@Load 5.00 kg,
Temperature 372 °C		5.5 - 7.5 g/10 min
@Load 11.0 lb,
Temperature 702 °F
Deformation 3.0 %3.0 %13.7 MPa load, at 25°C, 24 hrs; ASTM D621
 5.0 %5.0 %6.7 MPa load, at 100°C, 24 hrs; ASTM D621
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 5555
Tensile Strength at Break 19.0 - 22.0 MPa2760 - 3190 psiASTM D638
Elongation at Break 250 - 330 %250 - 330 %ASTM D638
Tensile Modulus 0.343 GPa49.7 ksiASTM D638
Flexural Modulus 0.539 - 0.637 GPa78.2 - 92.4 ksiASTM D790
Compressive Strength 5.00 - 6.00 MPa
@Temperature 25.0 °C		725 - 870 psi
@Temperature 77.0 °F		1% deformation; ASTM D695
Izod Impact, Unnotched NBNBASTM D256
Coefficient of Friction 0.040 - 0.0600.040 - 0.060
Coefficient of Friction, Static 0.0500.050Coated-steel surface
Taber Abrasion, mg/1000 Cycles <= 6.0<= 6.0Calculated using estimated density, 9.8 N load, cs-10 wheel
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 1.00e+18 ohm-cm<= 1.00e+18 ohm-cmASTM D257
Dielectric Constant  2.1
@Frequency 1000 Hz		2.1
@Frequency 1000 Hz		ASTM D150
 2.1
@Frequency 1e+6 Hz		2.1
@Frequency 1e+6 Hz		ASTM D150
Dielectric Strength 20.0 - 24.0 kV/mm
@Thickness 3.20 mm		508 - 610 kV/in
@Thickness 0.126 in		Short time; ASTM D149
Dissipation Factor  0.000060
@Frequency 1000 Hz		0.000060
@Frequency 1000 Hz		ASTM D150
 0.00050
@Frequency 1e+6 Hz		0.00050
@Frequency 1e+6 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 83.0 - 105 µm/m-°C
@Temperature 23.0 - 60.0 °C		46.1 - 58.3 µin/in-°F
@Temperature 73.4 - 140 °F		ASTM D696
Thermal Conductivity 0.250 W/m-K1.74 BTU-in/hr-ft²-°FASTM C177
Melting Point 260 - 270 °C500 - 518 °F
Maximum Service Temperature, Air 200 °C392 °FContinuous use
Flammability, UL94 V-0V-0
Oxygen Index >= 95 %>= 95 %ASTM D2863
 
Descriptive Properties
Chemical ResistanceExcellent
Contact Angle114Angle to level
WeatherabilityExcellent

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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