Dow Dow™ DFDA-7074 NT7 LLDPE

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Dow Dow™ DFDA-7074 NT7 LLDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade
Material Notes:	Product Description: Dow DFDA-7074 NT7 linear low density polyethylene is an ethylene-butene copolymer designed for blown film applications. Main Characteristics: Butene linear low density polyethylene Blown film extrusion Pellet form Complies with: US FDA 21 CFR 177.1520©3.2a; Canadian HPFB No Objection (with Limitations); EU No 10/2011; JHOSPA. Consult the regulations for complete details. Availability: Europe; North America Additive: Antiblock: No; Processing Aid: No; Slip: No Agency Ratings: FDA 21 CFR 177.1520©3.2a; Canadian HPFB No Objection; EU No 10/2011; JHOSPA Form: Pellets Processing Method: Blown Film Information provided by The Dow Chemical Company
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Physical Properties	Metric	English	Comments

Density	0.920 g/cc	0.0332 lb/in³	ASTM D792
Melt Flow	1.0 g/10 min @Load 2.16 kg, Temperature 190 °C	1.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Puncture Resistance	35.6 N	8.00 lb (f)
Film Tensile Strength at Yield, MD	10.7 MPa	1550 psi	ASTM D882
Film Tensile Strength at Yield, TD	11.0 MPa	1600 psi	ASTM D882
Film Elongation at Break, MD	580 %	580 %	ASTM D882
Film Elongation at Break, TD	690 %	690 %	ASTM D882
1% Secant Modulus	221 MPa	32000 psi	MD; ASTM D882
	248 MPa	36000 psi	TD; ASTM D882
2% Secant Modulus	0.189 GPa	27.4 ksi	MD; ASTM D882
	0.210 GPa	30.4 ksi	TD; ASTM D882
Puncture Energy	2.49 J	1.83 ft-lb
Elmendorf Tear Strength MD	170 g	170 g	Method B; ASTM D1922
Elmendorf Tear Strength TD	320 g	320 g	Method B; ASTM D1922
Dart Drop Test	90.0 g	0.198 lb	ASTM D1709A
Film Tensile Strength at Break, MD	36.5 MPa	5300 psi	ASTM D882
Film Tensile Strength at Break, TD	26.9 MPa	3900 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	121 °C	250 °F
Vicat Softening Point	102 °C	216 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	19 %	19 %	ASTM D1003
Gloss	33 %	33 %	45°; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	216 °C	420 °F	Extrusion
Blow-up Ratio (BUR)	2.5	2.5

Descriptive Properties
Film Puncture Resistance	145 ft-lb/in3
Film Toughness	1150 ft-lb/in3		TD, ASTM D882
	1170 ft-lb/in3		MD, ASTM D882

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.

PDOWF477 / 311170

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