Teflon Properties

Name: Tef Cap Industries
Address: 1155 Phoenixville Pike Suite 103, West Chester, PA, 19380, US
Telephone: 610-692-2576

TEFLON PROPERTIES : THERMAL
Properties	ASTM	PTFE	PFA	FEP	ETFE	ECTFE
Maximum Service Temp.	°C	260°	260°	200°	150°	170°
Maximum Service Temp.	°F	500°	500°	392°	302°	340°
Melting point	°C	327°	305°	260°	267°	240°
Melting point	°F	621°	582°	500°	512°	464°
Flame Rating	UL 94	V-O	V-O	V-O	V-O	V-O
Minimum Service Temp.	°C	-240°	-200°	-240°	-190°	-76°
Minimum Service Temp.	°F	-400°	-328°	-400°	-310°	-104°
		PTFE	PFA	FEP	ETFE	ECTFE

TEFLON PROPERTIES : MECHANICAL
Properties	Units	PTFE	PFA	FEP	ETFE	ECTFE
Specific Gravity	D-792	2.18	2.15	2.15	1.74	1.68
Tensile Strength (psi)	D-638	2,000-7,000	4,000-4,500	2,800-5,000	6,100-6,800	6,000-7,800
Flexural Strength (psi)	D-790	no break	no break	no break	5,500	7,000
Compressive Strength	D-695	3,500		2,200	2,500	1,276-1,711
Flex Life	D-2176	greater then 1,000,000	10,000 up to 500,000	5,000 up to 80,000	10,000 up to 27,000	N/A
Hardness Durometer Shore D	D-636	D 50-65	D 55-60	D 55	D 75	D 75-90
Coefficient of Friction	On Steel	.02	.04	.04	.06	.19
Abrasion Resistance	Taber	12	9-17	14-20	N/A	.005
		PTFE	PFA	FEP	ETFE	ECTFE

TEFLON PROPERTIES : ELECTRICAL
Properties	Units	PTFE	PFA	FEP	ETFE	ECTFE
Dielectric Constant	D150 / 103Hz	2.1	2.1	2.1	2.6	2.5
Dielectric Constant	D150 / 106Hz	2.1	2.1	2.1	2.6	2.6
Dielectric Strength 10 mil Film	D-149	>1,400	>2,000	>2,000	1,600	N/A
Volume Resistivity ohm-cm	D-257	>1,018	>1,018	>1,018	>1,016	>1,016
Surface Resistivity ohm-cm	D-257	>1,017	>1,017	>1,017	>1,015	>1,014
		PTFE	PFA	FEP	ETFE	ECTFE

TEFLON PROPERTIES : GENERAL
Properties	Unit	PTFE	PFA	FEP	ETFE	ECTFE
Chemical- Solvent Resistance	D-543	Excellent	Excellent	Excellent	Excellent	Excellent
Water Absorption	24hr / %	<.01	<.03	<.01	<.03	<.01
Refractive Index		1.35	1.34	1.338	1.4	1.447
Limiting Oxygen Index	D-2863	> 95 min	95 min	95 min	30-46 min	52 min
		PTFE	PFA	FEP	ETFE	ECTFE