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Krytox 100 Lubricant for Pinewood Derby Cars

Krytox 100
0.25 oz

In Stock

Krytox® 100 is a highly-refined synthetic thin-film lubricant with an ultra-low viscosity. When properly applied it equals or outperforms any dry lubricant including graphite for pinewood derby racing.


  • Easy and fast to apply - much faster and easier application than graphite.

  • Clean application - unlike graphite, it won't dirty up your nice paint job!

  • Consistent performance - Krytox 100 gives consistent performance, equal to or better than graphite.

  • Viscosity (40°C): 4.0 cSt

  • Service Range: -70 to 66°C

  • Evaporation (22 hours at 144°F; 66°C): 11%

  • Color: Clear


Krytox 100 can be safely used with any brand of pinewood derby wheels. It is colorless, odorless, non-hazardous, and plastic-safe. The key to using a thin-film lubricant is that "less is best". Applying too much lubricant will cause the viscosity of the lubricant to affect the speed.

To apply:

  1. Put one drop of lubricant on an axle on the area where the wheel will spin.

  2. Rotate the axle so that the oil coats the axle.

  3. Touch the bottom side of the axle with the edge of a piece of printer paper. The excess oil will soak into the paper.

  4. Slide the wheel on the axle and mount the axle on the car.

  5. Repeat for the remaining axle/wheel sets.

Note that some races require dry lubricants. Although it will not foul the track or cause any mess, technically Krytox 100 is not a dry lubricant. Since we recommend that all race rules are followed, we also offer Max-V-Lube, a top quality graphite lube.

Important - Wheels lubricated with Krytox 100 will not free-spin (wheel spun by hand on axle) as long as wheels lubricated with graphite. However, when a load is applied (the car is run on the track), Krytox 100 will perform admirably. Typically, the free-spin time for a Krytox 100-lubricated BSA wheel is 10-15 seconds. If the wheel does not free spin that long, remove the axle, wipe it off, and try again.


How long does Krytox 100 last? Does it evaporate over time?

In tests, Krytox 100 will last more than 20 heats. It does evaporate, but very slowly unless the car is stored in a hot location. We recommend lubricating with Krytox 100 no more than two days before the race.

Can you apply Krytox 100 and graphite?

Adding graphite would not help. In fact, it would slow things down. Graphite works best when dry, and Krytox 100 works best in a clean environment. So adding them together is counterproductive.

Can Krytox 100 be used on the outside of the wheel where it comes into contact with the underside of the axle head? How about on the inside wheel hub where it contacts the car body?

When you apply the lubricant, a little bit will get on the outside wheel hub. So it will reduce friction between the axle head and the wheel hub. You can also wipe a tiny bit on the inside wheel hub.

Can Krytox 100 be used on the tread of the wheels?

No, that could foul the track. For the tread, you could apply some graphite (which also fouls the track) or apply a polish. However, good results can be achieved without a coating. Simply polish the wheels with a fine abrasive.

When using Krytox 100, can graphite be used as an abrasive to polish the inside of the wheel hub?

I wouldn't use graphite as an abrasive, as it would be very difficult to remove all of the graphite from inside the wheel hub. Instead, I suggest using a water-soluble wheel bore polish such as the one we offer Here. Put a pipe cleaner in the chuck of the drill, place a small amount of the polish on the pipe cleaner, slide a wheel on the pipe cleaner, fire up the drill and polish for 10 seconds. Then thoroughly wash the wheel with water (use a pipe cleaner for cleaning inside the bore), and dry the wheel.

 ®Krytox is a registered trademark of DuPont.


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