Dow DNDA-7340 NT 7 Linear Low Density Polyethylene Resin

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Dow DNDA-7340 NT 7 Linear Low Density Polyethylene Resin
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	DOW DNDA-7340 NT 7 LLDPE resin is well-suited for use in blow molding applications such as small, squeezable bottles, as well as, extruded flexible hoses and tubing. DOW DMDA-7340 NT 7 resin is also well-suited for use in large blow molded parts, such as drum liners. Additionally, It may also be used in certain sheet and tubing applications. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	0.920 g/cc	0.0332 lb/in³	ASTM D792
ESCR 100% Igepal®	>= 1500 hour @Temperature 50.0 °C	>= 1500 hour @Temperature 122 °F	F₅₀; Molded and tested in accordance with ASTM D4976; ASTM D1693
High Load Melt Index	48 g/10 min @Load 21.6 kg, Temperature 190 °C	48 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM D1238
Melt Index of Compound	0.65 g/10 min @Load 2.16 kg, Temperature 190 °C	0.65 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	49	49	Molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	13.8 MPa	2000 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	11.0 MPa	1600 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Break	700 %	700 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Yield	3.0 %	3.0 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	0.345 GPa @Strain 2 %	50.0 ksi @Strain 2 %	Secant; Molded and tested per ASTM D4976; ASTM D790 B
Tensile Impact Strength	252 kJ/m²	120 ft-lb/in²	Molded and tested in accordance with ASTM D4976; ASTM D1822, Type S

Thermal Properties	Metric	English	Comments
Melting Point	119 °C	246 °F	Dow Method (DSC)
Crystallization Temperature	107 °C	225 °F	Dow Method (DSC)
Deflection Temperature at 0.46 MPa (66 psi)	42.2 °C	108 °F	Molded and tested in accordance with ASTM D4976; ASTM D648
Vicat Softening Point	98.9 °C	210 °F	ASTM D1525
Brittleness Temperature	<= -76.1 °C	<= -105 °F	Molded and tested in accordance with ASTM D4976; ASTM D746

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PDOW1273 / 30491

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