LyondellBasell Lupolen 5231 HX HDPE, Impact Grade

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LyondellBasell Lupolen 5231 HX HDPE, Impact Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Impact Grade
Material Notes:	Medium flow, impact resistant, very stress-crack resistant grade for closures, bottles that contain carbonated liquids, storage and tote boxes, as well as engineering components. Data was collected by ISO methods and originally provided by BASF. The Lupolen® product line is now produced by Basell.
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Physical Properties	Original Value	Comments

Density	0.952 g/cc
Water Absorption	0.010 %
Moisture Absorption at Equilibrium	0.10 %
Linear Mold Shrinkage, Flow	0.023 cm/cm
Linear Mold Shrinkage, Transverse	0.024 cm/cm
Melt Flow	3.3 g/10 min @Load 2.16 kg, Temperature 190 °C

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	25.0 MPa
Elongation at Break	>= 50 %
Elongation at Yield	9.0 %
Tensile Modulus	1.10 GPa
Tensile Impact Strength	90.0 kJ/m²

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm
Dielectric Constant	2.4 @Frequency 100 Hz
	2.4 @Frequency 1e+6 Hz
Dielectric Strength	150 kV/mm
Dissipation Factor	0.00020 @Frequency 100 Hz
	0.00020 @Frequency 1e+6 Hz
Comparative Tracking Index	600 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	165 µm/m-°C @Temperature 20.0 °C
Melting Point	133 °C
Deflection Temperature at 0.46 MPa (66 psi)	73.0 °C
Deflection Temperature at 1.8 MPa (264 psi)	44.0 °C
Vicat Softening Point	75.0 °C
Flammability, UL94	HB @Thickness 0.400 mm
Oxygen Index	17 %

**
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PSF068 / 66645

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