Dow UNIVAL™ DMDH-6400 NT 7 High Density Polyethylene Resin (HDPE)

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Dow UNIVAL™ DMDH-6400 NT 7 High Density Polyethylene Resin (HDPE)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	Moderate swell Complies with U.S. FDA 21 CFR 177.1520 (c) 2.2 UNIVAL™ DMDH-6400 NT 7 is a multipurpose polymer designed for producing containers used to package dairy, water and fruit drinks. In addition, it can be blow molded into other thin-walled parts and houseware items. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	0.961 g/cc	0.0347 lb/in³	ASTM D792
ESCR 100% Igepal®	20 hour @Temperature 50.0 °C	20 hour @Temperature 122 °F	F₅₀; Molded and tested in accordance with ASTM D4976; ASTM D1693
High Load Melt Index	57 g/10 min @Load 21.6 kg, Temperature 190 °C	57 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM D1238
Melt Index of Compound	0.80 g/10 min @Load 2.16 kg, Temperature 190 °C	0.80 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	66	66	Molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	24.1 MPa	3500 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	31.7 MPa	4600 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Break	1000 %	1000 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Yield	7.0 %	7.0 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	1.30 GPa @Strain 2 %	188 ksi @Strain 2 %	Secant; Molded and tested per ASTM D4976; ASTM D790 B
Tensile Impact Strength	84.0 kJ/m²	40.0 ft-lb/in²	Molded and tested in accordance with ASTM D4976; ASTM D1822, Type S

Thermal Properties	Metric	English	Comments
Melting Point	133 °C	271 °F	Dow Method (DSC)
Crystallization Temperature	120 °C	248 °F	Dow Method (DSC)
Deflection Temperature at 0.46 MPa (66 psi)	76.1 °C	169 °F	Molded and tested in accordance with ASTM D4976; ASTM D648
Vicat Softening Point	131 °C	268 °F	ASTM D1525
Brittleness Temperature	<= -76.1 °C	<= -105 °F	Molded and tested in accordance with ASTM D4976; ASTM D746

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

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