Block-on-Ring (Falex, LFW-1) Tests{cke_protected}{C}%3C!%2D%2DEndFragment%2D%2D%3E    

  • ASTM Tests:
    • G77 Standard Test Method for Ranking Resistance of Materials to Sliding Wear Using Block-on-Ring Wear Test
    • D3704 Wear Preventive Properties of Lubricating Greases Using the (Falex) Block-on-Ring Test Machine in Oscillating Motion
    • G176 Standard Test Method for Ranking Resistance of Plastics to Sliding Wear using Block-on-Ring Wear Test, Cumulative Wear Method
  • Supervision of tribologists with 30 years experience interpreting friction and wear results; instrument with NIST traceable calibration
  • Industry competitive test fee donated to The PAST Foundation


  • Flat on flat test speciemens
  • Normal loads up to 5,000 lbs. (50 ksi)
  • Variable testing speeds
  • Variable stroke length up to 3 in.
  • Ambiant air or liquid submerged (controlled up to boiling temperature)
Autoclave tribology


  • 3,000 lbf Normal Load Capacity
  • Temperatures to 650 F
  • Pressures to 2500 psi (typical,  autoclave rated to 5500 psi)
  • Water/liquids or Steam
  • Controlled Chemistries