Westlake Hifor Clear SC74558 Linear Low Density Polyethylene

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Westlake Hifor Clear SC74558 Linear Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	WESTLAKE Hifor Clear Polyethylene SC74558 is a high strength and high clarity linear low density polyethylene designed for blown film extrusion that contains medium slip and low antiblock additives. Films produced with this resin exhibit good toughness, with excellent gloss and clarity for a product of this density. SC74558 is well suited for packaging frozen goods, fruits and vegetables, and baked goods. Application/Uses Frozen food films High clarity bread bags Ice bags FDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant. All information provided by Westlake Chemical
Key Words:	Good toughness, with excellent gloss and clarity
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Physical Properties	Original Value	Comments

Density	0.920 g/cc	ASTM D1505
Thickness	1.00 mil
Melt Flow	1.0 g/10 min	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	650 %	ASTM D882
Film Elongation at Break, TD	900 %	ASTM D882
Dart Drop	160 g/mil	ASTM D1709
Film Tensile Strength at Break, MD	6000 psi	ASTM D882
Film Tensile Strength at Break, TD	4000 psi	ASTM D882
1% Secant Modulus, MD	34000 psi	ASTM D882
1% Secant Modulus, TD	40000 psi	ASTM D882

Optical Properties	Original Value	Comments
Haze	4.0 %	ASTM D1003
Gloss	75 %	at 45º; ASTM D2457
Transmission, Visible	90 %	clear; thickness not quantified

Processing Properties	Original Value	Comments
Melt Temperature	400 - 420 °F
Blow-up Ratio (BUR)	2.4

Descriptive Properties
Process	Blown Film
	Film

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