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Dow LDPE 640IM Low Density Polyethylene

Category Polymer , Thermoplastic , Polyethylene (PE) , LDPE , Low Density Polyethylene (LDPE), Molded
Manufacturer Dow Chemical
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow LDPE 640IM Low Density Polyethylene.pdf
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Material Notes:
DOW LDPE 640IM resin is a broad molecular weight distribution homopolymer designed to offer excellent impact strength and stress crack resistance with moderate stiffness for general purpose, and caps/ closures applications. It 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.
Physical Properties Metric English Comments
Density 0.921 g/cc
0.0333 lb/in³
Viscosity 56000 cP

@Shear Rate 5000 1/s,
Temperature 190 °C
56000 cP

@Shear Rate 5000 1/s,
Temperature 374 °F
Apparent Dynamic Viscosity
99000 cP

@Shear Rate 1000 1/s,
Temperature 190 °C
99000 cP

@Shear Rate 1000 1/s,
Temperature 374 °F
Apparent Dynamic Viscosity
265000 cP

@Shear Rate 300 1/s,
Temperature 190 °C
265000 cP

@Shear Rate 300 1/s,
Temperature 374 °F
Apparent Dynamic Viscosity
Melt Flow 2.0 g/10 min

@Load 2.16 kg
2.0 g/10 min

@Load 4.76 lb
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 10.8 MPa
1570 psi
Tensile Strength, Yield 9.50 MPa
1380 psi
Elongation at Break 240 %
240 %
Modulus of Elasticity 0.164 GPa
23.8 ksi
Molded Sample 2% Secant Modulus
Flexural Modulus 0.274 GPa
39.7 ksi
Izod Impact, Notched (ISO) 69.4 kJ/m²

@Temperature -50.0 °C
33.0 ft-lb/in²

@Temperature -58.0 °F
Thermal Properties Metric English Comments
Vicat Softening Point 92.0 °C
198 °F
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