Dow UNIVAL™ DMDD-6230 NT 7 High Density Polyethylene Resin (HDPE)

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Dow UNIVAL™ DMDD-6230 NT 7 High Density Polyethylene Resin (HDPE)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	Good extrusion characteristics Complies with U.S. FDA 21 CFR 177.1520 (c) 3.2a UNIVAL™ DMDD-6230 NT 7 is specifically designed for use in either intermittent or continuous blow molding equipment to produce containers up to 20 gallons in size. This resin is also considered a multipurpose blow molding resin designed for the high speed production of blow molded containers used for packaging household industrial chemicals, toiletries and cosmetics, health and medicinal aids. In addition, it can be blow molded into other thin walled parts and houseware items, and also can be extruded into profiles or sheets. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	0.949 g/cc	0.0343 lb/in³	ASTM D792
ESCR 100% Igepal®	290 hour @Temperature 50.0 °C	290 hour @Temperature 122 °F	F₅₀; Molded and tested in accordance with ASTM D4976; ASTM D1693
High Load Melt Index	25 g/10 min @Load 21.6 kg, Temperature 190 °C	25 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM D1238
Melt Index of Compound	0.25 g/10 min @Load 2.16 kg, Temperature 190 °C	0.25 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	60	60	Molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	33.8 MPa	4900 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	23.4 MPa	3400 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	8.0 %	8.0 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	0.889 GPa @Strain 2 %	129 ksi @Strain 2 %	Secant; Molded and tested per ASTM D4976; ASTM D790 B
Tensile Impact Strength	210 kJ/m²	100 ft-lb/in²	Molded and tested in accordance with ASTM D4976; ASTM D1822, Type S

Thermal Properties	Metric	English	Comments
Melting Point	130 °C	266 °F	Dow Method (DSC)
Crystallization Temperature	118 °C	244 °F	Dow Method (DSC)
Deflection Temperature at 0.46 MPa (66 psi)	66.1 °C	151 °F	Molded and tested in accordance with ASTM D4976; ASTM D648
Vicat Softening Point	127 °C	261 °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.

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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