Celanese GUR® 4152 PE-UHMW, Unfilled

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Celanese GUR® 4152 PE-UHMW, Unfilled
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)
Material Notes:	GUR 4152 UHMW-PE is a linear polyolefin resin in powder form with a molecular weight of approximately 7.7 MM g/mol calculated using Margolies' equation. The extremely high molecular weight of this resin yields several unique properties including superior abrasion resistance and impact strength. This and GUR 4150 resins have the best abrasion resistance of all standard grades. Outstanding properties include a low coefficient of friction that results in self-lubricating, non-stick surfaces after processing. The resin is normally processed by compression molding or ram extrusion. Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	0.930 g/cc	ISO 1183
Density of Compound	0.930 g/cc	Indicative (PE only); ISO 1872-1
Moisture Absorption	<= 0.0100 %	23°C/50%RH; ISO 62
Viscosity Test	2800 cm³/g	ISO 307, 1157, 1628
	2800 cm³/g	intrinsic; ISO 1628-3
	3400 cm³/g	ISO 1628-3
Melt Flow	<= 0.10 g/10 min	ASTM D1238
	0.10 g/10 min @Load 21.6 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	61	ASTM D2240
	61	15 sec; ISO 868
Ball Indentation Hardness	35.0 MPa	ISO 2039-1
Tensile Strength at Break	35.0 MPa	50mm/min; ISO 527-2/1A
	5076 psi	ASTM D638
Tensile Strength, Yield	17.0 MPa	50mm/min; ISO 527-2/1A
	3100 psi	ASTM D638
Elongation at Break	300 %
	>= 300 %	ASTM D638
Elongation at Yield	20 %	50mm/min; ISO 527-2/1A
	<= 20 %	ASTM D638
Tensile Modulus	680 MPa	50mm/min; ISO 527-2/1A
	100000 psi	ASTM D638
Izod Impact, Notched	NB	ASTM D256
Charpy Impact, Notched	130 kJ/m²	ISO 11542-2
Coefficient of Friction, Dynamic	0.10
Tensile Creep Modulus, 1 hour	430 MPa	ISO 899-1
Tensile Creep Modulus, 1000 hours	220 MPa	ISO 899-1
K Factor (Wear Factor)	80	sand slurry method (GUR 4120=100)
Abrasion	80

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+12 ohm	IEC 60093
Dielectric Constant	2.1 @Frequency 100 Hz	IEC 60250
	3.0 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	45.0 kV/mm	IEC 60243-1
Dissipation Factor	0.00040 @Frequency 100 Hz	IEC 60250
	0.0010 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	200 µm/m-°C	ISO 11359-2
Specific Heat Capacity	0.440 BTU/lb-°F
	1.84 J/g-°C
Thermal Conductivity	0.410 W/m-K
Deflection Temperature at 0.46 MPa (66 psi)	65.0 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	42.0 °C	ISO 75-1, -2
Vicat Softening Point	80.0 °C	ISO 306
	176 °F	ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm

Processing Properties	Original Value	Comments
Processing Temperature	210 °C	ISO 293

Descriptive Properties
Mold cooling rate, K/min, ISO 293	15
Other extrusion	Yes
Powder	Yes
Transfer molding	Yes

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PHCQ308 / 178763

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