Westlake EF528 18.5% Ethylene Vinyl Acetate Copolymer

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Westlake EF528 18.5% Ethylene Vinyl Acetate Copolymer
Categories:	Polymer; Thermoplastic; Ethylene Vinyl Acetate
Material Notes:	Westlake ELEVATE™ EF528 is an ethylene vinyl acetate copolymer with 18.5% VA. EF528 is designed for blown and cast films requiring excellent optics and low heat seal initiation. High melt strength makes DA528 an excellent choice for profile extrusions, molding, and foaming applications requiring high VA content. Application/Uses Flexible packaging films Peelable seals, adhesive layers Injection and blow molding Hot melt adhesives and blends Profile extrusions, tubing, wire & cable
Key Words:	Excellent optics and low heat seal initiation. 18.5% EVA.
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Physical Properties	Original Value	Comments

Density	0.940 g/cc	D1505
Vinyl Acetate Content	18.5 %
Thickness	38.1 microns	Thickness Tested
Melt Flow	2.5 g/10 min	D1238

Mechanical Properties	Original Value	Comments
Dart Drop Test	10.2 g	D1709
	390 g	D1709
Film Tensile Strength at Break, MD	24.8 MPa	D638
Film Tensile Strength at Break, TD	24.1 MPa	D638
1% Secant Modulus, MD	42.1 MPa	D882
1% Secant Modulus, TD	50.3 MPa	D882

Thermal Properties	Original Value	Comments
Melting Point	85.0 °C	DSC Peak; D33418

Optical Properties	Original Value	Comments
Haze	3.5 %	D1003
Gloss	82 %	at 45; D2457

Processing Properties	Original Value	Comments
Melt Temperature	193 °C	Blown Film
	210 °C	Cast Film
Blow-up Ratio (BUR)	2.5

Descriptive Properties
process	Film

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PBP1129 / 133377

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