Celanese GUR® 4170 PE-UHMW, Unfilled

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Celanese GUR® 4170 PE-UHMW, Unfilled
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)
Material Notes:	GUR 4170 UHMW-PE is a linear specialty polyolefin resin in powder form with a molecular weight of approximately 10.5 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 grade has the best abrasion resistance of all 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

Specific Gravity	0.930 g/cc	ASTM D792
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
Water Absorption at Saturation	<= 0.010 %	ISO 62
Viscosity Test	3450 cm³/g	intrinsic; ISO 1628-3
	4300 cm³/g	ISO 307, 1157, 1628
	4300 cm³/g	ISO 1628-3
Melt Flow	<= 0.10 g/10 min	ASTM D1238
Melt Index of Compound	0.10 g/10 min	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60	ASTM D2240
	60	15 sec; ISO 868
Ball Indentation Hardness	35.0 MPa	ISO 2039-1
Tensile Strength, Yield	17.0 MPa	50mm/min; ISO 527-2/1A
Elongation at Break	>= 50 %
Elongation at Yield	20 %	50mm/min; ISO 527-2/1A
Tensile Modulus	570 MPa	50mm/min; ISO 527-2/1A
Charpy Impact, Notched	50.0 kJ/m²	ISO 11542-2
Tensile Creep Modulus, 1 hour	370 MPa	ISO 899-1
Tensile Creep Modulus, 1000 hours	180 MPa	ISO 899-1
K Factor (Wear Factor)	70	sand slurry method (GUR 4120=100)
Abrasion	70

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	IEC 60093
	>= 1.00e+15 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+12 ohm	IEC 60093
	>= 1.00e+13 ohm	ASTM D257
Dielectric Constant	2.1 @Frequency 100 Hz	IEC 60250
	3.0 @Frequency 1e+6 Hz	ASTM D150
	3.0 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	45.0 kV/mm	IEC 60243-1
Dissipation Factor	0.00039 @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	100 µin/in-°F	ASTM D696
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
Injection molding	No
Mold cooling rate, K/min, ISO 293	15
Other extrusion	Yes
Powder	Yes
pvT (Generic Grade reference)	PE-HMW, QED, 50 G0012
Transfer molding	Yes

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PHCQ309 / 178764

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