Wolfblood Racing advanced engine oil modifier is pure, highly refined Tungsten Disulphide powder with the chemical symbol WS2. With a certified purity of better than 99.9% from one of the most advanced labs in North America. Our Tungsten Disulphide has also been micronised, that is smashed into tiny particles within the micron range. Wolfblood particles average just o.6 microns this vastly increases surface area and gets them into microscopic surface features on substrates.

Tungsten Disulphide, or Disulfide if you are in America, has two Sulphur atoms fused to each Tungsten atom. Because of the covalence of Tungsten and Sulphur the crystals formed are flat laminar sheets that easily slip over one another. This is similar to the structure of other lubricants such as Graphite and Molybdenum Disulphide. However the Tungsten atoms are denser and more resilient – this makes Wolfblood slipperier and more durable. Let’s compare:

Wolfblood Racing engine oil additive friction performance table ptfe teflon molybdenum sulphide hBN Fully synthetic oil

As we can see Tungsten Disulphide has an exceptionally low co-efficient of friction of just 0.03. This makes Wolfblood one of the slipperiest substances on the planet. Like the similar Molybdenum Disulphide at high loads WB displays superlubricity this means as loads increase measured co-efficient of friction actually reduces – it gets even slippier.


Tungsten Disulphide can operate in some of the most hostile environments in the Solar System. In fact WS2 lubricant was originally developed by Stanford University for NASA to be used in the Mariner Space Program. The early Mariner probes visited Mercury Mars and Venus – later the program was renamed Voyager; the Voyager probes are still going, at 62,140Km/h! Now they are into interstellar space, some 11.7 billion miles and more than 40 years into their mission.

Tungsten Disulphide can withstand pressures of 300,000 PSI (27 kbar) and temperatures from -270 C to +650 C, making it work over a much wider range than additives such as PTFE. Additionally Wolfblood Racing oil additive is unaffected by oils, alcohol or anything but the strongest acids. To see more about applications see the uses page.

So Wolfblood Racing oil modifier is slipperier than molybdenum disulphide or graphite or indeed virtually any other lubricious substance, so why are these additives not more widely used? Simply, it has been a cost thing. Until recently molybdenum based lubricants were much cheaper and so tungsten disulphide was reserved for very high end applications – Space, military aerospace, occasionally formula one and advanced engineering. However, recent advances in manufacturing technology and scaling of production allows us to offer Wolfblood additive at an affordable price.

Tungsten Disulphide is classed as a non-toxic biocompatible substance that is environmentally inert. Because Wolfblood advanced engine oil modifier is such an ultra fine powder it can be an irritant but this is down to the particle size rather than the material. We therefore recommend using gloves and taking precautions against inhaling or getting into eyes etc.

wolfblood racing advanced engine oil modifier additive grease lubricant motor engine cutaway diagram


Want to dig really deep into the science of Wolfblood oil modifier? There is a lot of research currently ongoing into the merits of Tungsten Disulphide – here are some links:

Paper on the preparation of WS2 reinforced motor oils

US National Library of Medicine: Tungsten Disulfide

Paper on Tungsten Disulfide Nanoparticles as lubricant additives

NASA Technical Reports Archive on the history of WS2

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