Ethylene-Chlorotriflouroethylene (ECTFE)

MATERIAL DATA SHEET The information contained herein is typical and intended for REFERENCE USE ONLY. This information should NOT be used as a basis for design, manufacturing or quality assurance purposes. Please contact us for complete, manufacturer-approved material property data sheets. All values below are at 72°F (23°) unless otherwise noted.

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Ethylene-Chlorotriflouroethylene (ECTFE) Specifications

Description

ECTFE products are virtually unaffected by most common corrosive chemicals. ECTFE products have excellent chemical and mechanical properties, impact strength, and a broad service use temperature. This polymer offers extremely low permeability to liquids, gases, and vapors.

Applications

Semiconductor process equipment • Chemical storage, fluid handling • Fire safe componentry

Advantages of Ethylene-Chlorotriflouroethylene (ECTFE)

High purity • Flame resistant • Impact resistant • Excellent weatherability • Low permeability • UL V-0 FM 4910

Manufacturing Capabilities

Halar 300 Film: .002" to .029" thick • Halar 901 Sheet (extruded): .030" to 2" thick • Halar 901 Sheet (fabric backed): 060" to 3/16" thick • Halar 901 Welding Rod: 1/8" and 5/32" dia. • Halar 600 Rod: 3/8" to 5" dia.

Color/Grades

Natural Beige (custom colors available)

Typical Properties of Ethylene-Chlorotriflouroethylene (ECTFE)

	Units	ASTM Test	Result
Mechanical Properties
Flexural Modulus	psi	D790	245,000
Flexural Strength	psi	D790	6,800
Hardness-Shore D	-	D2240	D75
Izod Impact Strength-Notched	ft lbs/in	D256	No Break
Tensile Elongation @break	psi	D638	250
Tensile Elongation @yield	psi	D638	5.0
Tensile Modulus	psi	D638	240,000
Tensile Stregnth @break	psi	D638	7,800
Tensile Strength @yield	psi	D638	4,300
Thermal Properties
Coefficient of Thermal Expansion	in/in/f	D696	5.6x10-5
Continuous Use Temp.	°F	-	300
Flammability Rating-UL9	-	-	V-0
Heat Deflection Temp. @66 psi	°F	D648	194.0
Heat Deflection Temp. @264 psi	°F	D648	145.0
Limiting Oxygen Index	%	D2863	56
Melt Temp.	°F	D4591	464
Electrical Properties
Dielectric Constant @ 1kHz	-	D150	2.5
Dielectric Strength @ 1mil	V/mil	D149	2,000
Dissapation Factor @ 1kHz	-	D150	0.0016
Other Properties
Specific Gravity	-	D792	1.68
Water absorption @ 24 hrs	%	D570	<0.10