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UHMWPE Powder

UHMWPE Powder is an ultra-high, molecular-weight polyethylene material offered in our extensive range of polymer powders. With 23 variations available, the properties of this engineering thermoplastic include outstanding abrasion and chemical resistance, low friction coefficient, impact strength, and flexibility even at low temperatures. Its applications include being used in high performance gears, bearings, artificial joints, bulletproof armor, and components requiring resistance to corrosive chemicals. UHMWPE Powder meets demanding requirements across industrial, medical, and defense sectors.
Weight: 200g
Technical Name: Polyethylene - U.H.M.W.
Formula: UHMW PE
Density: 0.94g/cm³
CAS Number: 9002-88-4
Molecular Weight: ~5000k g/mol
Mean Particle Size: 150µm
UOM Code: 021-062-89
SKU: 1000002492
Product Code: ET30-PD-000110

Tolerances

Powder
Mean Particle Size Nominal
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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal
Technical Data Sheet
Safety Data Sheet

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Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good-Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair
Greases and Oils Good-Fair
Halogenated Hydrocarbons Fair-Poor
Halogens Fair-Poor
Ketones Good-Fair
Mechanical Properties
Element Value
Coefficient of friction 0.1-0.2
Hardness - Rockwell R50-70
Poisson's ratio 0.46
Elongation at break( % ) 500
Tensile modulus( GPa ) 0.2-1.2
Izod impact strength( J m⁻¹ ) 1000
Tensile strength( MPa ) 20-40
Electrical Properties
Element Value
Dielectric constant @1MHz 2.3
Dissipation factor @ 1MHz 1-10x 10⁻⁴
Dielectric strength( kV mm⁻¹ ) 28
Surface resistivity( Ohm/sq ) 10¹³
Volume resistivity( Ohmcm ) 10¹⁸
Physical Properties
Element Value
Flammability HB
Radiation resistance Fair
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 17
Water absorption - over 24 hours( % ) 0.01
Density( gcm⁻³ ) 0.94
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 69
Heat-deflection temperature - 1.8MPa( C ) 42
Upper working temperature( C ) 55-95
Specific heat( J K⁻¹ kg⁻¹ ) 1900
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.42-0.51@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 130-200
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