Westlake ELEVATE® EB508 Ethylene Vinyl Acetate Copolymer

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Westlake ELEVATE® EB508 Ethylene Vinyl Acetate Copolymer
Categories:	Polymer; Film; Thermoplastic; Ethylene Vinyl Acetate; Ethylene Vinyl Acetate Copolymer (EVA), Adhesive/Sealant Grade
Material Notes:	ELEVATE® EB508 is an 18% vinyl acetate copolymer designed for films that require excellent toughness and good heat sealing characteristics. This resin has high melt strength for improved bubble stability during processing and yields highly flexible films with excellent low temperature performance. Test specimens for blown film: nominal thickness 2.0 mils; blow up ratio 2.5:1, die gap 35 mils at 50% relative humidity and 23°C. Information provided by Westlake Chemical.
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Physical Properties	Original Value	Comments

Density	0.940 g/cc	ASTM D1505
Melt Index of Compound	0.70 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	500 %	ASTM D882
Film Elongation at Break, TD	950 %	ASTM D882
Dart Drop	600 g/mil	ASTM D1709
Film Tensile Strength at Break, MD	31.7 MPa	ASTM D882
Film Tensile Strength at Break, TD	31.0 MPa	ASTM D882
1% Secant Modulus, MD	7500 psi	ASTM D882
1% Secant Modulus, TD	8500 psi	ASTM D882

Thermal Properties	Original Value	Comments
Melting Point	87.0 °C	DSC; ASTM D3418
Vicat Softening Point	68.0 °C	ASTM D1525

Optical Properties	Original Value	Comments
Haze	2.0 %	ASTM D1003
Gloss	85 %	@ 45°; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	360 - 390 °F	With blow-up ratios of 1.5:1 or higher.

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PWESF8713 / 287823

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