Westlake EMAC® SP2258 17% Ethylene-Methyl Acrylate Copolymer

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Westlake EMAC® SP2258 17% Ethylene-Methyl Acrylate Copolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Ethylene Methyl Acrylate
Material Notes:	Westlake EMAC® SP2258 is a 17% EMA copolymer containing slip and antiblock. This resin is designed for blown or cast film, tie-layers, and extrusions where flexibility, compatibility, or low heat seal temperatures are required. SP2258 provides excellent adhesion to polyolefins, polyesters, and other polymers while providing outstanding low temperature performance. Applications: films, flexible packaging, disposable gloves, IV containers, tubing and wound care. FDA: This material complies with FDA regulations in 21 CFR, section 177.1340. All information provided by Westlake Chemical
Key Words:	Excellent adhesion to polyolefins, polyesters, and other polymers while providing outstanding low temperature performance
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Physical Properties	Original Value	Comments

Density	0.943 g/cc	ASTM D1505
Methyl Acrylate Content	17 %
Melt Flow	2.1 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	37	ASTM D2240
Tensile Strength at Break	12.0 MPa	500 mm/min; ASTM D638 Type IV Specimen
Film Elongation at Break, MD	330 %	ASTM D882
Film Elongation at Break, TD	655 %	ASTM D882
Elongation at Break	730 %	500 mm/min; ASTM D638 Type IV Specimen
Elmendorf Tear Strength MD	53 g	ASTM D1922
Elmendorf Tear Strength TD	335 g	ASTM D1922
Dart Drop Test	300 g	ASTM D1709A
Film Tensile Strength at Break, MD	3025 psi	ASTM D882
Film Tensile Strength at Break, TD	2320 psi	ASTM D882
1% Secant Modulus, MD	8130 psi	ASTM D882
1% Secant Modulus, TD	8570 psi	ASTM D882

Thermal Properties	Original Value	Comments
Melting Point	82.0 °C	ASTM D3418
Vicat Softening Point	56.0 °C	ASTM D1525
Brittleness Temperature	<= -73.0 °C	ASTM D746

Optical Properties	Original Value	Comments
Haze	53 %	ASTM D1003
Gloss	15 %	at 45º; ASTM D2457

Descriptive Properties
Process	Blown Film
	Extrusion
	Film
Seal Initiation Temperature	70°C	Westlake

**
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