Celanese 520 Film LDPE polymer for flexible packaging

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Celanese 520 Film LDPE polymer for flexible packaging
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Film Grade
Material Notes:	520 is recommended for general film resin. Properties listed are for a film produced on a 20:1 L/D, 65 mm extruder with a 130 mm die, at a stock temperature of 205°C. Additives: Applications: Flexible Packaging Information provided by Celanese Corporation.
Key Words:	general film resin
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Physical Properties	Metric	English	Comments

Density	0.921 g/cc	0.0333 lb/in³	AT Plastics PTM-03
Thickness	50.0 microns	1.97 mil
Melt Flow	2.0 g/10 min @Load 2.16 kg, Temperature 190 °C	2.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	12.0 MPa	1740 psi	Method A (500 mm/min); ASTM D882
Film Tensile Strength at Yield, TD	12.0 MPa	1740 psi	Method A (500 mm/min); ASTM D882
Film Elongation at Break, MD	400 %	400 %	Method A (500 mm/min); ASTM D882
Film Elongation at Break, TD	600 %	600 %	Method A (500 mm/min); ASTM D882
Secant Modulus, MD	0.210 GPa	30.5 ksi	1% Secant Modulus; ASTM D882
Secant Modulus, TD	0.240 GPa	34.8 ksi	1% Secant Modulus; ASTM D882
Dart Drop	2.00 g/micron	50.8 g/mil	f50; ASTM D1709
Film Tensile Strength at Break, MD	21.0 MPa	3050 psi	Method A (500 mm/min); ASTM D882
Film Tensile Strength at Break, TD	20.0 MPa	2900 psi	Method A (500 mm/min); ASTM D882

Optical Properties	Metric	English	Comments
Haze	14 %	14 %	ASTM D1003
Gloss	54 %	54 %	45°; ASTM D2457

Processing Properties	Metric	English	Comments
Processing Temperature	170 - 230 °C	338 - 446 °F
Blow-up Ratio (BUR)	2.0	2.0

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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