Dow DNDB-7441 NT 7 Linear Low Density Polyethylene Resin

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Dow DNDB-7441 NT 7 Linear Low Density Polyethylene Resin
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	DOW DNDB-7441 NT 7 is produced using UNIPOL™ PE process technology. It is intended for use in hose and tube applications. It also has utility in gasketing, spiral wound hose, and corrugated hose applications. It is also recommended as a modifier in blends with flexible copolymers such as ethylene ethyl acetate (EVA) and ethylene ethyl acrylate (EAA) to enhance their rigidity in extrusion applications. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	0.920 g/cc	0.0332 lb/in³	natural resin; ASTM D792
Environmental Stress Crack Resistance	>= 500 hour	>= 500 hour	F₀; Compression molded parts prepared according to ASTM D 1928, condition A.; ASTM D1693
High Load Melt Index	44 g/10 min @Load 21.6 kg, Temperature 190 °C	44 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM D1238
Melt Index of Compound	0.60 g/10 min @Load 2.16 kg, Temperature 190 °C	0.60 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	44	44	Compression molded parts per ASTM D 1928 Procedure C.; ASTM D2240
Tensile Strength at Break	15.5 MPa	2250 psi	Compression molded parts per ASTM D 1928 Procedure C.; ASTM D638
Tensile Strength, Yield	11.0 MPa	1600 psi	Compression molded parts per ASTM D 1928 Procedure C.; ASTM D638
Elongation at Break	800 %	800 %	Compression molded parts per ASTM D 1928 Procedure C.; ASTM D638
Flexural Modulus	0.310 GPa	45.0 ksi	Compression molded parts prepared according to ASTM D 1928, method 1, procedure B.; ASTM D790

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -100 °C	<= -148 °F	Compression molded parts prepared according to ASTM D 1928, procedure A.; ASTM D746

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PDOW1279 / 30497

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