EVALCA EVAL® EF-F Ethylene Vinyl Alcohol Copolymer Film

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EVALCA EVAL® EF-F Ethylene Vinyl Alcohol Copolymer Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Ethylene Vinyl Alcohol (EVOH)
Material Notes:	32 mol % Ethylene. Non oriented type film; property values for 15 µm film. Data provided by EVALCA. Applications: EVOH is used in packaging applications because of its outstanding gas barrier properties. EVAL™ is now produced as a part of the Kuraray product line.
Key Words:	Ethylene Vinylalcohol
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Physical Properties	Metric	English	Comments

Moisture Absorption at Equilibrium	3.9 %	3.9 %	65% RH
	3.9 %	3.9 %	65% RH
	8.5 %	8.5 %	100% RH
Moisture Vapor Transmission	1.50 cc-mm/m²-24hr-atm	3.81 cc-mil/100 in²-24hr-atm	40°C, 90% RH
Oxygen Transmission	0.00800 cc-mm/m²-24hr-atm	0.0203 cc-mil/100 in²-24hr-atm	20°C; 65% RH; Permeability increases significantly at higher moisture content.
Thickness	15.2 microns	0.600 mil

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	180 %	180 %	10%/min.; ASTM D638
Film Elongation at Break, TD	140 %	140 %	10%/min.; ASTM D638
Secant Modulus, MD	2.00 GPa	290 ksi	Youngs Modulus, ASTM D638, 10%/min.
Secant Modulus, TD	1.90 GPa	276 ksi	Youngs Modulus, ASTM D638, 10%/min.
Elmendorf Tear Strength MD	380 g	380 g	ASTM D638
Elmendorf Tear Strength TD	300 g	300 g	ASTM D638
Elmendorf Tear Strength, MD	24.9 g/micron	633 g/mil	0.6 mil; ASTM D638
Elmendorf Tear Strength, TD	19.7 g/micron	500 g/mil	0.6 mil; ASTM D638
Film Tensile Strength at Break, MD	80.0 MPa	11600 psi	10%/min.; ASTM D638
Film Tensile Strength at Break, TD	52.0 MPa	7540 psi	10%/min.; ASTM D638

Electrical Properties	Metric	English	Comments
Electrical Resistivity	4.70e+12 ohm-cm	4.70e+12 ohm-cm
Surface Resistance	1.90e+15 ohm	1.90e+15 ohm
Dielectric Constant	5.5	5.5	Frequency Not Specified
Dissipation Factor	0.21	0.21	Frequency Not Specified

Thermal Properties	Metric	English	Comments
CTE, linear	50.0 µm/m-°C @Temperature 20.0 °C	27.8 µin/in-°F @Temperature 68.0 °F	Estimated by MatWeb from similar grades
	110 µm/m-°C @Temperature 100 °C	61.1 µin/in-°F @Temperature 212 °F	Estimated by MatWeb from similar grades
Specific Heat Capacity	2.40 J/g-°C	0.574 BTU/lb-°F	Estimated by MatWeb from similar grades
Thermal Conductivity	0.340 W/m-K	2.36 BTU-in/hr-ft²-°F	For EVAL F101
Melting Point	181 °C	358 °F	DSC

Optical Properties	Metric	English	Comments
Haze	1.5 %	1.5 %	65% RH
Gloss	90 %	90 %	65% RH

**
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