This listing includes one liter of ferro-fluid for educational purposes. it is rated as 400 Gauss.
What is Ferrofluid?
In short, it is a liquid that responds to magnets and magnetic fields. The longer answer is ferrofluid is an extremely fine powder, coated with a soap-like material called a surfactant, suspended in a mineral oil liquid base. The resulting magnetic suspension is called a ferrofluid.
When no magnetic field is present, ferrofluid behaves and flows like a normal liquid. However, when a magnet or magnetic field is introduced, the ferrofluid is attracted to the field. Spikes then form along the magnetic field lines when the magnetic surface force exceeds the stabilizing effects of fluid weight and surface tension.
Please take care when handling ferrofluid. Besides being fun to play with, it also is capable of staining everything it comes into contact with. Please make sure to take care when using it.
Ferrofluid should never be used for applications involving loudspeakers. Ferrofluid can be hazardous or even fatal if swallowed or if it enters airways. Ferrofluid can cause skin irritation or serious eye irritation.
The material safety data sheet can be found at the following address: https://ferrofluid.ferrotec.com/wp-content/uploads/sites/3/efhsds.pdf
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