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Nulon Anti Seize Xtreme Pressure Anti-Seize Lubricant (L90) is a complex bentone based lubricating paste containing a high percentage of polytetrafluoroethylene (PTFE). Nulon L90 provides extremely high film strength and adhesion, protecting against initial start-up damage of machinery even after long periods of lay-up. Nulon L90 provides long-term lubrication of components that are otherwise difficult or impossible to lubricate after initial assembly. Most chemicals, solvents and corrosive agents do not affect Nulon L90. L90 does not dry or harden with age and offers performance over a wide temperature range. L90 protects exposed components against rust during lay-up. L90 permits more even torque pressures and faster breakouts of threads, joints, flanges and gaskets.


  • Minimises initial start-up damage
  • Seals gasket surfaces without adhering
  • Seals threads up to 8mm diameter
  • Reduces possibility of seizing
  • Reduces wear and friction
  • Protects against corrosion
  • Resists water wash out
  • Offers a high degree of residual lubrication

Typical Applications

Applications for L90 are limited only by the user’s imagination. The following are only indicative of the potential applications for L90.

Engine Assembly

  • Camshafts and followers
  • All bearing surfaces
  • Shoulders of head studs
  • Threads (particularly those to be torqued)
  • Valve stems and seals
  • Oil seals
  • Gasket surfaces

General Automotive

  • Propeller shaft spline
  • Ignition points rubbing blocks
  • Anti-squeal for brake pads
  • Assembly of differentials
  • Hinge pins
  • Door locks
  • Assembly of gearboxes
  • Prime mover turntables


  • Cables
  • Winches
  • Pump assemblies
  • Steering stems and cables
  • Propeller shafts
  • Seals


  • Exposed chains and gears
  • Splines
  • Slides
  • Seals
  • Pumps
  • Assembly of all agricultural machinery


  • Slides and guides
  • Cables and pulleys
  • Railway points
  • Bushes and pins
  • Hinges of all types
  • Camshaft lobes
  • Threads
  • Splines
  • Sewing machines
  • Machine assembly
  • Assembly lubricant, particularly where subsequent lubrication is difficult

Typical Properties

Tests ASTM Nulon L90
Colour   Cream
Flash point, COC, °C D92 194
Foam characteristics D892 Nil
Viscosity @ 40°C, cSt D445 452
Viscosity @ 100°C, cSt D445 000
Viscosity index D2270 1A
Density K/l D1298 0.9476
Pour point °C D97 -18
Melt point of PTFE °C D1457 >325

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Most Helpful Customer Reviews

In the overhaul and rebuild of the starter motor from my 2007 Toyota Prado D4D, I used this grease for the bearings and gears. It’s a great long term grease for something like this that won’t get pulled apart again for another 300,000+ kilometres. (car has done over 370,000 km – various Nulon products are keeping it going)

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