Tungsten putty

Tungsten Putty is a non-hardening, moldable material made from tungsten powder and a polymer binder. Under normal conditions, it will not harden. The minimum density is 10 g/cm3.

How to Use this Product

Tungsten Putty can be easily used for fine-tuning the weight of pinewood derby cars. Simply pinch off a piece of the putty, knead it until it is pliable, and press the putty into a cavity or hole in the car.

It has these advantages:

1. Putty is easily molds to any shape, so you can use it anywhere on your car no matter what design you have.

2. Our putty is very sticky. 3. Tungsten is 1.8 times heavier than lead so it adds lots of weight in a small area.

4. Tungsten putty is child-safe, there are no toxic materials in it.

5. Saves you time because you can easily add just the right amount without breaking off weights or finding just the right size weight that you need.

6. It's waterproof...Great for fishing weights too!

Tungsten Putty - add weight anywhere on your car!

Tungsten putty that is soft and malleable so it can be changed into virtually any shape or broken off into pieces!

Tungsten putty is child-safe. There are no toxic materials in it. Packaged in 1 oz pieces.


Although tungsten putty is made from non-toxic ingredients, it is NOT a toy for children to play with. Always wash your hands after use, and keep it away from food and your mouth.