Dow LDPE 722M Low Density Polyethylene

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Dow LDPE 722M Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	DOW LDPE 722M resin is a broad molecular weight distribution homopolymer designed to offer good impact strength and stress crack resistance with excellent flexibility. Typical applications include caps/closures. This resin has good processability over a wide range of molding conditions. This material complies with U.S.FDA regulation 21 CFR 177.1520(c) 2.1 for food contact applications. The regulation should be consulted for complete details. Data provided by Dow Chemical.
Key Words:	Dow PE
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Physical Properties	Metric	English	Comments

Density	0.916 g/cc	0.0331 lb/in³
Viscosity	34000 cP @Shear Rate 5000 1/s, Temperature 190 °C	34000 cP @Shear Rate 5000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	76000 cP @Shear Rate 1000 1/s, Temperature 190 °C	76000 cP @Shear Rate 1000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	130000 cP @Shear Rate 300 1/s, Temperature 190 °C	130000 cP @Shear Rate 300 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
Melt Flow	8.0 g/10 min @Load 2.16 kg	8.0 g/10 min @Load 4.76 lb	Melt flow ratio I10/I2 is 9.3.

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	11.0 MPa	1600 psi
Tensile Strength, Yield	8.90 MPa	1290 psi
Elongation at Break	130 %	130 %
Modulus of Elasticity	0.139 GPa	20.2 ksi	Molded Sample 2% Secant Modulus
Flexural Modulus	0.226 GPa	32.8 ksi
Izod Impact, Notched (ISO)	28.0 kJ/m² @Temperature -50.0 °C	13.3 ft-lb/in² @Temperature -58.0 °F

Thermal Properties	Metric	English	Comments
Vicat Softening Point	91.0 °C	196 °F

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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PDW513 / 34582

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