Dow TUFLIN™ HS-7021 NT 7 Linear Low Density Polyethylene Resin

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Dow TUFLIN™ HS-7021 NT 7 Linear Low Density Polyethylene Resin
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	Industrial pallet wrap stretch film applications Premium film packaging applications Complies with U.S. FDA 21 CFR 177.1520 (c) 3.1a TUFLIN™ HS-7021 NT 7 is an ethylene-hexene-1 copolymer designed for cast stretch film applications such as industrial pallet wrap. Films containing HS-7021 offer outstanding extensibility and cling properties. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	0.919 g/cc	0.0332 lb/in³	ASTM D792
Thickness	20.3 microns	0.800 mil
Melt Flow	3.2 g/10 min @Load 2.16 kg, Temperature 190 °C	3.2 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	12.27 MPa	1779 psi	ASTM D882
Film Tensile Strength at Yield, TD	11.2 MPa	1620 psi	ASTM D882
Film Elongation at Break, MD	584 %	584 %	ASTM D882
Film Elongation at Break, TD	875 %	875 %	ASTM D882
Elongation, Ultimate	363 %	363 %	on-pallet testing; Highlight Industries Method
Secant Modulus, MD	0.1491 GPa	21.62 ksi	2% Secant; ASTM D882
Secant Modulus, TD	0.1584 GPa	22.98 ksi	2% Secant; ASTM D882
Impact	8.0	8.0	[lb_f]; Puncture Resistance Force; Dow Method
	272	272	[ft-lbf/in³]; Puncture Resistance; Dow Method
Puncture Energy	3.16 J	2.33 ft-lb	Dow Method
Elmendorf Tear Strength MD	164 g	164 g	Method B; ASTM D1922
Elmendorf Tear Strength TD	567 g	567 g	Method B; ASTM D1922
Elmendorf Tear Strength, MD	8.07 g/micron	205 g/mil	ASTM D1922
Elmendorf Tear Strength, TD	27.903 g/micron	708.75 g/mil	ASTM D1922
Dart Drop Test	96.0 g	0.212 lb	Method A; ASTM D1709
	<= 100 g	<= 0.221 lb	Method B; ASTM D1709
Film Tensile Strength at Break, MD	60.17 MPa	8727 psi	ASTM D882
Film Tensile Strength at Break, TD	40.77 MPa	5913 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	123 °C	253 °F	Dow Method (DSC)
Vicat Softening Point	100 °C	212 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	1.0 %	1.0 %	ASTM D1003
Gloss	95 %	95 %	45°; ASTM D2457
	157 %	157 %	20°; ASTM D2457

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

Descriptive Properties
Cling g	208		ASTM D5458, unstretched

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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PDOW1438 / 30656

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