Westlake LF 1040AA LLDPE, Butene Film Grade

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Westlake LF 1040AA LLDPE, Butene Film Grade (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade; LLDPE/Butene, Film
Material Notes:	LF1040 is a butene LLDPE resin with excellent mechanical and sealing properties. It can be used in blown and cast stretch film and can liner applications, and is suitable for blending with LDPE in packaging applications. Test specimens for blown film: nominal thickness 1.0 mils fabricated at 2.5:1 BUR, 370F, 100 mil die gap, 9 Lbs/hr/in. This product has some 21 CFR clearances. Application/Uses: Blend stock- Food packaging- Stretch wrap. Samples tested at 23°C and 50% RH. Information provided by Westlake Chemical Corporation.
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Physical Properties	Metric	English	Comments

Density	0.919 g/cc	0.0332 lb/in³	ASTM D1505
Thickness	25.4 microns	1.00 mil	Blown Film as Tested
Melt Index of Compound	2.0 g/10 min	2.0 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	700 %	700 %	ASTM D882
Film Elongation at Break, TD	900 %	900 %	ASTM D882
Elmendorf Tear Strength, MD	2.36 g/micron @Thickness 0.0254 mm	60.0 g/mil @Thickness 0.00100 in	ASTM D1922
Elmendorf Tear Strength, TD	14.2 g/micron @Thickness 0.0254 mm	360 g/mil @Thickness 0.00100 in	ASTM D1922
Dart Drop	2.76 g/micron @Thickness 0.0254 mm	70.0 g/mil @Thickness 0.00100 in	ASTM D1709
Dart Drop Test	70.0 g @Thickness 0.0254 mm	0.154 lb @Thickness 0.00100 in	ASTM D1709
Film Tensile Strength at Break, MD	27.6 MPa	4000 psi	ASTM D882
Film Tensile Strength at Break, TD	21.4 MPa	3100 psi	ASTM D882
1% Secant Modulus, MD	193 MPa	28000 psi	ASTM D882
1% Secant Modulus, TD	214 MPa	31000 psi	ASTM D882

Optical Properties	Metric	English	Comments
Haze	13 %	13 %	no antiblock; ASTM D1003

Processing Properties	Metric	English	Comments
Melt Temperature	177 - 191 °C	350 - 375 °F	blown film
	232 - 271 °C	450 - 520 °F	cast melt
Die Opening	0.254 cm	0.100 in	Blown Film as Tested

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

**
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PWESF8820 / 222892

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