Dow HDPE 25455N High Density Polyethylene

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Dow HDPE 25455N High Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	DOW HDPE 25455N resin is a narrow molecular weight distribution copolymer designed to offer good stress crack resistance and gloss with excellent toughness. This resin has good processability over a wide range of molding conditions. Typical applications are toys, housewares and medical applications. It complies with FDA regulation 21 CFR 177.1520 (c) 3.2(a) for food contact applications. Data provided by Dow Chemical.
Key Words:	Dow PE
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Physical Properties	Metric	English	Comments

Density	0.955 g/cc	0.0345 lb/in³
Viscosity	55000 cP @Shear Rate 5000 1/s, Temperature 190 °C	55000 cP @Shear Rate 5000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	110000 cP @Shear Rate 1000 1/s, Temperature 190 °C	110000 cP @Shear Rate 1000 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
	180000 cP @Shear Rate 300 1/s, Temperature 190 °C	180000 cP @Shear Rate 300 1/s, Temperature 374 °F	Apparent Dynamic Viscosity
Melt Flow	25 g/10 min @Load 2.16 kg	25 g/10 min @Load 4.76 lb

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	11.0 MPa	1600 psi
Tensile Strength, Yield	20.7 MPa	3000 psi
Elongation at Break	320 %	320 %
Modulus of Elasticity	0.607 GPa	88.0 ksi	Molded Sample 2% Secant Modulus
Flexural Modulus	0.952 GPa	138 ksi
Izod Impact Resistance	4.80 J/cm²	22.8 ft-lb/in²

Thermal Properties	Metric	English	Comments
Vicat Softening Point	125 °C	257 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

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