LyondellBasell Lupolen 2421K Low Density Polyethylene (LDPE), Film Grade

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LyondellBasell Lupolen 2421K Low Density Polyethylene (LDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Film Grade
Material Notes:	Lupolen 2421 K is an additivated, low density polyethylene. It is characterized by a good processability. Films made from Lupolen 2421 K exhibit good optical properties. It contains an antioxidant and is delivered in pellet form. This product is not intended for use in medical and pharmaceutical applications. Applications: Food Packaging Film, Hygiene Film, Shrink Film, Surface Protection Film Information provided by LyondellBasell.
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Physical Properties	Metric	English	Comments

Density	0.924 g/cc	0.0334 lb/in³	ISO 1183-1
Melt Flow	4.0 g/10 min @Load 2.16 kg, Temperature 190 °C	4.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133-1

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	11.0 MPa	1600 psi	ISO 527-1,-2
Film Elongation at Break, MD	300 %	300 %	ISO 527-1,-3
Film Elongation at Break, TD	600 %	600 %	ISO 527-1,-3
Tensile Modulus	0.260 GPa	37.7 ksi	ISO 527-1,-2
Coefficient of Friction	>= 0.70	>= 0.70	ISO 8295
Dart Drop Test	100 g	0.221 lb	F50; ASTM D 1709
Film Tensile Strength at Break, MD	22.0 MPa	3190 psi	ISO 527-1,-3
Film Tensile Strength at Break, TD	17.0 MPa	2470 psi	ISO 527-1,-3

Thermal Properties	Metric	English	Comments
Melting Point	111 °C	232 °F	peak; ISO 3146
Vicat Softening Point	92.0 °C	198 °F	A50N; ISO 306

Optical Properties	Metric	English	Comments
Haze	<= 8.0 % @Thickness 0.0500 mm	<= 8.0 % @Thickness 0.00197 in	ASTM D1003
Gloss	>= 60 %	>= 60 %	@ 20°; ASTM D2457
	>= 105 %	>= 105 %	@ 60°; ASTM D2457

Processing Properties	Metric	English	Comments
Processing Temperature	150 - 190 °C	302 - 374 °F	blown film extrusion

Descriptive Properties
Failure Energy (J/mm)	3.5		DIN 53373
Processing Method	Blown Film, Cast Film
Test Specimen	film, 50µm blown film extruded at 170°C, and a blow up ratio 2.5:1

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PEQT8536 / 220171

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