TexLoc Library - Property Comparison Chart

Convoluted Tubing	Mil-Spec Convoluted
● Convo-Tex	● M81914/1
● ConvoTex Wire	● M81914/2
● Low Profile	● M81914/3
● Heavy Wall	● M81914/4
● Convo FEP	● M81914/5
● Convo PFA	● M81914/6

Property Comparison
Length Comparison

Heat Shrink Tubing
● FEP 1.3/1	● PTFE Heavy Wall 2:1
● FEP 1.67/1	● PTFE Standard Wall 2:1
● FEP Roll Cover	● PTFE Thin Wall 2:1
● PFA Roll Cover	● PTFE Light Wall 2:1
● Double Shrink	● PTFE 4:1
● ETFE	● PTFE Fractional

Smooth Bore Tubing
PTFE Tubing	FEP Tubing	PFA Tubing
● PTFE .030 Wall	● FEP .030 Wall	● PFA .030 Wall
● PTFE .062 Wall	● FEP .062 Wall	● PFA .062 Wall
● PTFE Fractional	● Metric FEP	● Metric PFA
● PTFE Standard Wall
● PTFE Thin Wall	PTFE Beading / Rod	High Purity PFA Tubing
● PTFE Light Wall	PTFE Spiral Cut	● HP PFA Sizes
● Metric PTFE	PEEK Tubing	● Metric HP PFA

Types Of Tubing	Literature
● Medical	Chemical Resistance
● Ultra Pure	Conversion Chart
● Liners	Engineering
● Conductive	Press Releases
● ColorTrax	FAQ
Contact Us	Technical Info
● Quotations	Services
● General	Certifications

Table 1			Table 2
PTFE FEP PFA ETFE ECTFE			PVDF THV PEEK™
(If you would like to view the properties of a particular resin click on the hyperlink in the chart below)
Table 1 Property Comparison of Fluoroplastic/Fluoropolymer Resins
Properties	ASTM or Unit	PTFE	FEP	PFA	ETFE	ECTFE
MECHANICAL PROPERTIES
Specific Gravity	D792	2.13-2.20	2.12-2.17	2.12-2.17	1.70-1.76	1.68
Elongation %	D638	200-450	250-330	280-400	420-460	200-300
Tensile Strength (psi)	D638	2000-4500	2800-5000	4000-4500	6100-6800	6600-7800
Flexural Strength (psi)	D790	no break	no break	no break	5500	7000
Compressive Strength (psi)	D695	3500	2200		2500	1276-1711
Tensile Elastic Modulus (Young's Modulus) (psi)	D638	57,000	50,000	72,500-87,000	85000- 95000	240,000
Flexural Modulus (psi)	D790	71,000- 85,000	78,000- 92,000	94,000- 99,000	128,000- 171,000	240,000
Flexural Modulus 103MPa (103kgf/cm2)	D790	0.5-0.6 (5.0-6.0)	0.5-0.6 (5.5-6.5)	0.6-0.7 (6.6-7.0)	0.9-1.4 (9.0-14.0)	1.4-1.8 (14-18)
Flex Life (MIT cycles)	D2176	>1,000,000	5,000- 80,000	10,000- 500,000	10,000- 27,000	na
Hardness Durometer Shore D	D636	50-65	55	55-60	75	75-90
Coefficient of Friction	(on steel)	0.02	0.05	0.2	0.06	0.19
Abrasion Resistance 1000 revs.	Taber	12	14-20	9-17	na	0.005
Impact Strength IZOD 73°F/23°C notched ft/lbs/in	D256	3	no break	no break	no break	no break
THERMAL PROPERTIES
Melting Point	°C (°F)	327 (621)	260 (500)	305 582)	267 (512)	240 (464)
Upper Service Temperature(20000h)	°C (°F)	260 (500)	204 (400)	260 (500)	176 (348)	150-170 (300-340)
Flammability	UL 94	V-0	V-0	V-0	V-0	V-0
Thermal Conductivity BTU/hr/sq ft/deg F in		1.7	1.4	1.3	1.65	1.6
Thermal Conductivity Cal-cm/s-cm², ºC		6 x 10^-4	6 x 10^-4	6 x 10^-6	5.7 x 10^-4	4.7-5.3 x 10^-4
Linear Coefficient of Thermal Expansion	D696 10^{-5 º}C	>11.6	8.3-10.5	13	13	na
Heat of Fusion	BTU/LB	29-37	11	13	20	na
Heat of Combustion	BTU/LB	2200	2200	2300	8100	na
Low Temperature Embrittlement	°C (°F)	-268 -450	-268 -450	-268 -450	-100 -148	-76 -105
ELECTRICAL PROPERTIES
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	2.59
Dielectric Strength	D149/125 MIL	500	500	500	na	na
Dielectric Strength	D149/10 MIL	>1400	>1400	>1400	1600	na
Volume Resistivity	D257/ohm-cm	>10¹⁸	>10¹⁸	>10¹⁸	>10¹⁶	>10¹⁶
Surface Resistivity	D257/ohm-cm	>10¹⁷	>10¹⁷	>10¹⁷	>10¹⁵	>10¹⁴-10¹⁵
GENERAL PROPERTIES
Chemical/Solvent Resistance	D543	Excellent	Excellent	Excellent	Excellent	Excellent
Water Absorption 24h,%	D570	<0.01	<0.01	<0.03	<0.03	< 0.1
Deformation Under Load	*D621 100^ºC	5.0	5.0	2.4	5.4	2.6
Deformation Under Load	**D621 25^ºC	7.0	3.0	2.7	2.3	0.2
Refractive Index		1.35	1.338	1.34	1.40	1.447
Arc Resistivity, % sec		>300	>300	>300	75	na
Arc Resistivity, % sec	D495	>200	>300	>300	122	135
Limiting Oxygen Index, %	D2863	>95	>95	>95	31	60
Properties	ASTM or Unit	PTFE	FEP	PFA	ETFE	ECTFE
6.8MPa (986psi), 24h *13.7MPa(1987psi), 24h
Table 2 Property Comparison of Fluoroplastic/Fluoropolymer Resins
Properties	ASTM or Unit	PVDF	THV	PEEK™
MECHANICAL PROPERTIES
Specific Gravity	D792	1.76-1.78	2.12-2.17	1.95-1.98
Elongation %	D638	300-450	300-360	500-600
Tensile Strength (psi)	D638	4500-6200	3500-4400	2900-4060
Flexural Strength (psi)		8600-9500	na	na
Compressive Strength	D695	11,600	2200	na
Tensile Elastic Modulus (Young's Modulus) (psi)	D638	160,000	65,000- 78,000	na
Flexural Modulus 103MPa (103kgf/cm2)	D790	90,00- 168,000	95,000	12,000- 30,000
Flex Life (MIT cycles)	D2176	na	10,000- 100,000	na
Hardness Durometer Shore D	D636	75-85	55-60	44-54
Coefficient of Friction (on steel)	D1984	0.4	0.2	na
Abrasion Resistance 1000 revs.	Taber	5-15	10-17	na
Impact Strength IZOD 73°F/23°C notched ft/lbs/in	D256	4	no break	no break
THERMAL PROPERTIES
Melting Point	°C (°F)	171 (340)	285 (545)	120 - 165 (248 - 536)
Upper Service Temperature(20000h)	°C (°F)	130 (265)	260 (500)	80 - 120 (176 - 248)
Flammability	UL 94	V-0	V-0	V-0
Thermal Conductivity BTU/hr/sq ft/deg F in	C177	1.3	1.4	1.4
Linear Coefficient of Thermal Expansion	D696 10^{-5 o}C	4.2	11-12	na
Heat of Fusion	BTU/LB cal/g	na 4390	25.6 na	na na
Heat of Combustion	BTU/LB	na	6200	na
Low Temperature Embrittlement	°C (°F)	-62 (-80)	-232 (-450)	na na
ELECTRICAL PROPERTIES
Dielectric Constant	D150/10³Hz	7.72	2.0	3.5
Dielectric Constant	D150/10⁶Hz	6.43	2.1	4.2
Dielectric Strength	D149/125 MIL	1700	na	na
Dielectric Strength	D149/10 MIL	>1080	2000	1400
Volume Resistivity	D257/ohm-cm	2 x 10¹⁴	>10¹⁷	>10¹⁵
Surface Resistivity	D257/ohm-cm	5 x 10¹⁴	>10¹⁷	na
GENERAL PROPERTIES
Chemical/Solvent Resistance		Very Good	Excellent	Excellent
Water Absorption 24h, %	D570	<0.04	<0.03	<0.01
Refractive Index		1.42	na	1.35
Arc Resistivity, %, sec	D495	50-60	240	na
Limiting Oxygen Index, %	D2863	43	>95	>65 - >75
Properties	ASTM or Unit	PVDF	THV	PEEK™

Medical Heat Shrink	Secondary operations
● Medical FEP	● Cut to length
● Medical ETFE	● Flaring
● Medical PFA	● Drilling
● Medical PTFE	● Etching
Medical ePTFE	● Scoring
Precision extrusions

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Table 1Property Comparison of Fluoroplastic/Fluoropolymer Resins

Table 2Property Comparison of Fluoroplastic/Fluoropolymer Resins

Table 1
Property Comparison of Fluoroplastic/Fluoropolymer Resins

Table 2
Property Comparison of Fluoroplastic/Fluoropolymer Resins