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Master Bond adhesives

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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.

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Physical PropertiesOriginal ValueComments
Density 0.941 g/ccASTM D792
Molecular Weight >= 4.20e+6 g/mol
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 64ASTM D785
Hardness, Shore D 6715 seconds; ASTM D2240
Tensile Strength at Break 6400 psi2"/min; ASTM D638
Tensile Strength, Yield 3400 psi2"/min; ASTM D638
Elongation at Break 350 %2"/min; ASTM D638
Elongation at Yield 14 %ASTM D638
Flexural Modulus, 1% Secant 175000 psiASTM D790B
Izod Impact, Unnotched NB
@Temperature -40.0 °C
ASTM D256A
 NB
@Temperature 23.0 °C
ASTM D256A
Coefficient of Friction 0.11Gar-Dur to Gar-Dur
 0.13To stainless steel
 0.14To rolled steel
Abrasion 10Relative, where Carbon Steel is 100 and Nylon 6/6 is 24 in; Sand Slurry Test
Compression Set 0.60 %
@Temperature 20.0 °C
24 hours after removal of 282 psi compressive stress
 0.90 %
@Temperature 20.0 °C
1 minute after removal of 282 psi compressive stress
 1.1 %
@Temperature 80.0 °C
24 hours after removal of 282 psi compressive stress
 1.6 %
@Temperature 80.0 °C
1 minute after removal of 282 psi compressive stress
 3.5 %
@Temperature 20.0 °C
24 hours after removal of 1700 psi compressive stress
 5.4 %
@Temperature 20.0 °C
1 minute after removal of 1700 psi compressive stress
 
Thermal PropertiesOriginal ValueComments
CTE, linear 91.0 µin/in-°F
@Temperature 20.0 °C
ASTM D696
Melting Point 130 - 131 °CCrystalline MP
Deflection Temperature at 0.46 MPa (66 psi) 80.0 °CASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 47.0 °CASTM D648
Vicat Softening Point 136 °CASTM 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 go back to viewing the property data in MatWeb's normal format.

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