Westlake Hifor Xtreme SC74839 Linear Low Density Polyethylene

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Westlake Hifor Xtreme SC74839 Linear Low Density Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	WESTLAKE HIFOR Xtreme SC74839 polymer is a high strength linear low density polyethylene designed for blown film extrusion that contains no slip and high antiblock. Films produced with this resin exhibit balanced toughness. Other features of this resin include good machine direction tear resistance. Application/Uses Fresh produce packaging FDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant. All information provided by Westlake Chemical
Key Words:	Balanced toughness
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Physical Properties	Metric	English	Comments

Density	0.917 g/cc	0.0331 lb/in³	ASTM D1505
Thickness	25.4 microns	1.00 mil
Melt Flow	1.0 g/10 min	1.0 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	750 %	750 %	ASTM D882
Film Elongation at Break, TD	1000 %	1000 %	ASTM D882
Dart Drop	9.84 g/micron	250 g/mil	ASTM D1709
Film Tensile Strength at Break, MD	50.3 MPa	7300 psi	ASTM D882
Film Tensile Strength at Break, TD	39.3 MPa	5700 psi	ASTM D882
1% Secant Modulus, MD	200 MPa	29000 psi	ASTM D882
1% Secant Modulus, TD	228 MPa	33000 psi	ASTM D882

Optical Properties	Metric	English	Comments
Haze	18 %	18 %	ASTM D1003
Gloss	40 %	40 %	at 45º; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	204 - 216 °C	400 - 420 °F
Blow-up Ratio (BUR)	2.4	2.4

Descriptive Properties
Process	Blown Film
	Film

**
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PWESF122 / 84559

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