EVALCA EVAL® G156A Ethylene Vinyl Alcohol Copolymer Resin

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EVALCA EVAL® G156A Ethylene Vinyl Alcohol Copolymer Resin (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Ethylene Vinyl Alcohol (EVOH)
Material Notes:	48 mol % Ethylene. Data provided by EVALCA. Applications: Cast film, specialty 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	Original Value	Comments

Density	1.12 g/cc	ASTM D1505
Moisture Vapor Transmission	0.540 cc-mm/m²-24hr-atm	40°C, 90% RH
Oxygen Transmission	0.0640 cc-mm/m²-24hr-atm	20°C; 65% RH; Permeability increases significantly at higher moisture content.
Melt Flow	6.4 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
	14.7 g/10 min @Load 2.16 kg, Temperature 210 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	85	ASTM D785
Tensile Strength, Yield	43.0 MPa	10%/min. ASTM D638
Film Elongation at Break, MD	330 %	Orientation not specified; ASTM D882
Modulus of Elasticity	1.90 GPa	Youngs Modulus, ASTM D638, 10%/min.
Film Tensile Strength at Break, MD	37.0 MPa	Orientation not specified; ASTM D882

Electrical Properties	Original Value	Comments
Dielectric Constant	4.8	Frequency Not Specified
Dissipation Factor	0.22	Frequency Not Specified

Thermal Properties	Original Value	Comments
CTE, linear	100 µm/m-°C	Below Tg
	130 µm/m-°C	Above Tg
Specific Heat Capacity	2.40 J/g-°C
Thermal Conductivity	0.340 W/m-K	For EVAL F101
Melting Point	158 °C	DSC
Deflection Temperature at 0.46 MPa (66 psi)	80.0 °C	For EP-E105
Vicat Softening Point	155 °C	For EP-E105
Glass Transition Temp, Tg	49.0 °C	Dynamic Viscoelasticity

Optical Properties	Original Value	Comments
Haze	1.9 %	Film; ASTM D1003
Gloss	85 %	45°; Film; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	<= 250 °C

**
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