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Elmet Technologies

Garland Manufacturing GAR-DUR® Ultra High Molecular Weight Polyethylene (UHMW-PE)
Categories: Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)

Material Notes: GAR-DUR® plastic parts are made from ultra high molecular weight (UHMW) polymer having a molecular weight of 4.2 million and greater. Garland Manufacturing Company has been processing UHMW resin for over 45 years. This true UHMW polymer is excellent for resisting abrasion and corrosion while contributing a low coefficient of friction. Fabricated Gar-Dur® parts have helped companies improve performance, reduce downtime, eliminate the need for lubrication, replace steel parts and lower their operating costs.

Applications: GAR-DUR® machined parts are being used in mining, pulp and paper operations, refrigeration, chemical plants, material handling industries, and automotive assembly plants to name just a few.

Advantages: GAR-DUR® is designed to function in corrosive and chemical environments, in extreme cold and where abrasion resistance is a desirable factor. It is durable, has a very low coefficient of friction and high impact resistance, it is much quieter than metals, and it won't absorb fluids.

Information provided by Garland Manufacturing.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 0.941 g/cc0.0340 lb/in³ASTM D792
Molecular Weight >= 4.20e+6 g/mol>= 4.20e+6 g/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 6464ASTM D785
Hardness, Shore D 676715 seconds; ASTM D2240
Tensile Strength at Break 44.1 MPa6400 psi2"/min; ASTM D638
Tensile Strength, Yield 23.4 MPa3400 psi2"/min; ASTM D638
Elongation at Break 350 %350 %2"/min; ASTM D638
Elongation at Yield 14 %14 %ASTM D638
Flexural Modulus, 1% Secant 1210 MPa175000 psiASTM D790B
Izod Impact, Unnotched  NB
@Temperature -40.0 °C
NB
@Temperature -40.0 °F
ASTM D256A
 NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ASTM D256A
Coefficient of Friction 0.110.11Gar-Dur to Gar-Dur
 0.130.13To stainless steel
 0.140.14To rolled steel
Abrasion 1010Relative, where Carbon Steel is 100 and Nylon 6/6 is 24 in; Sand Slurry Test
Compression Set  0.60 %
@Temperature 20.0 °C
0.60 %
@Temperature 68.0 °F
24 hours after removal of 282 psi compressive stress
 0.90 %
@Temperature 20.0 °C
0.90 %
@Temperature 68.0 °F
1 minute after removal of 282 psi compressive stress
 1.1 %
@Temperature 80.0 °C
1.1 %
@Temperature 176 °F
24 hours after removal of 282 psi compressive stress
 1.6 %
@Temperature 80.0 °C
1.6 %
@Temperature 176 °F
1 minute after removal of 282 psi compressive stress
 3.5 %
@Temperature 20.0 °C
3.5 %
@Temperature 68.0 °F
24 hours after removal of 1700 psi compressive stress
 5.4 %
@Temperature 20.0 °C
5.4 %
@Temperature 68.0 °F
1 minute after removal of 1700 psi compressive stress
 
Thermal PropertiesMetricEnglishComments
CTE, linear 164 µm/m-°C
@Temperature 20.0 °C
91.0 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Melting Point 130 - 131 °C266 - 268 °FCrystalline MP
Deflection Temperature at 0.46 MPa (66 psi) 80.0 °C176 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 47.0 °C117 °FASTM D648
Vicat Softening Point 136 °C277 °FASTM D1525B

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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