PFA Properties

Property	ASTM Method	Unit	350 General Purpose	450HP High Purity
Mechanical/Physical
Melt Flow Rate	D-3307	g/10 min	1-3	3-Jan
Specific Gravity	D-792	g/cm3	2.12-2.17	2.12-2.17
Water Absorption, 24 Hr.	D-570	%	<0.03	<0.03
Tensile Strength, 23°C	D-1708	psi	3,625-4,000	3,625-4000
Elongation, 23°C, minimum	D-1708	%	300	300
Compressive Strength, 23°C	D-695	psi	3,500	3,500
Impact Strength, 23°C, Notched Izod	D-256	J/m	no break	no break
Flexural Modulus, 23°C	D-790	psi	90,000	90,000
Durometer Hardness, Shore D	D-2240	D	55	55
Coefficient of Friction	D-1894		0	0
Deformation Under Load, 23°C, 100 PSI, 10 Hr.	D-621	%	2	2
Thermal
Melting Point, nominal	D-3418	°C	302-310	302-310
Thermal Expansion (21°C to 100°C)	D-696	mm/mm/°C	14 X 10^-5	14 X 10^-5
Thermal Expansion (100°C to 149°C)	D-696	mm/mm/°C	18 X 10^-5	18 X 10^-5
Thermal Expansion (149°C to 208°C)	D-696	mm/mm/°C	22 X 10^-5	22 X 10^-5
Oxygen Index	D-2863	%	>95	>95
Maximum Service Temperature		°C	260	260
Thermal Conductivity	DuPont	W/m-K	0.19	0.19
Flammability	UL 94		V-0	V-0
Electrical
Surface Resistivity	D-257	ohm-sq	1018	1018
Volume Resistivity	D-257	ohm-cm	1018	1018
Dielectric Strength, short-term (10 mil film)	D-149	Volts/mil	2,000	2,000
Dielectric Constant, 23°C, 60-100 kHz	D-150		2.03	2.03
Dissipation Factor, 23°C, 60-100 kHz	D-150		0.0001	0.0001
Arc Resistance	D-495	seconds	>180	>180