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Grade: LUBMER™ L5000
Formula: UHMWPE, HMPE, HPPE
Form: Granule
Material: Polyethylene (PE)
CAS Number: 9002-88-4
Commodity: Polymers
Nominal Granule Size: 3mm

LUBMER™ L5000 UHMWPE Granules

LUBMER™ L5000 UHMWPE Granules are high-performance ultra-high-molecular-weight polyethylene materials that exhibit excellent abrasion resistance, superior toughness, and exceptional chemical inertness. Their extremely long polymer chains contribute to outstanding wear resistance and durability, making them suitable for applications where longevity under mechanical stress is critical. These granules are widely utilized in biomedical devices, industrial machinery, and protective equipment, where the combination of low friction and biocompatibility is vital. Specific technologies that benefit include artificial joint implants requiring ultra-low wear rates, ballistic protection systems leveraging UHMWPE’s high strength-to-weight ratio, and advanced industrial composites designed for sliding and load-bearing applications. In research and innovation, LUBMER™ L5000 is integral to developing enhanced polymer composites, studying impact compaction methods for high-performance materials, and advancing medical-grade polyethylene formulations. Its unique blend of resilience, safety, and adaptability reinforces its importance in both scientific discovery and industrial engineering, ensuring its role as a cornerstone material in sectors demanding high reliability and durability.
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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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