Dow LDPE 779I Low Density Polyethylene

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Dow LDPE 779I Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	DOW LDPE 779I resin is a broad molecular weight distribution homopolymer designed to offer good impact strength and stress crack resistance with excellent rigidity. Typical applications include caps/closures, etc. 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
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	0.923 g/cc	0.0333 lb/in³
Viscosity	40000 cP @Shear Rate 5000 1/s, Temperature 190 °C	40000 cP @Shear Rate 5000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	93000 cP @Shear Rate 1000 1/s, Temperature 190 °C	93000 cP @Shear Rate 1000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	161000 cP @Shear Rate 300 1/s, Temperature 190 °C	161000 cP @Shear Rate 300 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
Melt Flow	7.0 g/10 min @Load 2.16 kg	7.0 g/10 min @Load 4.76 lb	Melt flow ratio I10/I2 is 9.1.

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	11.4 MPa	1650 psi
Tensile Strength, Yield	10.3 MPa	1490 psi
Elongation at Break	110 %	110 %
Modulus of Elasticity	0.185 GPa	26.8 ksi	Molded Sample 2% Secant Modulus
Flexural Modulus	0.288 GPa	41.8 ksi
Izod Impact, Notched (ISO)	24.0 kJ/m² @Temperature -50.0 °C	11.4 ft-lb/in² @Temperature -58.0 °F

Thermal Properties	Metric	English	Comments
Vicat Softening Point	93.0 °C	199 °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.

Users viewing this material also viewed the following:
Dow LDPE 722M Low Density Polyethylene
Dow LDPE 955I Low Density Polyethylene
Dow LDPE 510I Low Density Polyethylene
Dow LDPE 640IM Low Density Polyethylene
Dow LDPE 959I Low Density Polyethylene

PDW516 / 34585

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message