MP-400 is a thermoplastic material with a wire of fibers mixed with solid lubricants. This product are developed for use underwater, in atmospheres with high humidity and it has a very low moisture absorption, good chemical resistant, high temperature resistance and high mechanical loading resistant. The MP-400 series includes cylindrical and flanged bearings as well as washers, and special parts are available on demand.

Operating Conditions





Process fluid

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  • Underwater applications
  • Low moisture absorption
  • Dry self-lubrications
  • Minimized wear and excellent service life
  • For high mechanical loading
  • For high temperature resistance
  • Good chemical resistant
  • Easy to assembly
  • Wide range of standard items available
  • Special items on demand
Density1,45 g/cm3 (DIN-53479 ASTM-D792)
Max moisture absorption in water at 24 h (23°C)0,10 % (ISO-62)
Coefficient of sliding friction, dynamic0,10 ÷ 0,21
P x V Value1,40 N/mm2 (Dry)
Tensile strength (23 °C)130 N/mm2 (ISO-527)
Modulus of elasticity (23 °C)16000 N/mm2 (ISO-527R)
Elongation at break (23 °C)0,70% (ISO-527)
Izod – Impact strength (notched) (23 °C)45 J/m (ASTM D256-A)
Charpy – Impact strength (unnotched) (23 °C)20 Kj/m2 (ISO 179-1)
Charpy – Impact strength (notched) (23 °C)4 Kj/m2 (ISO 179-1) 
Max surface speed (rotating)1,0 m/s
Max surface speed (linear)3 m/s
Max static surface pressure90 N/mm2


Max long term application temperature+200°C
Min long term application temperature-40°C
Coefficient of thermal expansion (+30°C +100°C)4 K-1 * 10-5 (DIN53752)
Specific volume resistance>105cm (DIN53482)
Surface resistance>105cm (DIN53482)
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