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4 x 4 Inch Magnetic Field Viewing Film, Magnetic Field Viewer, Magnetic Flux Display, Magnet Pattern Detector, See Magnetic Field for Scientific Project (4 * 4 Inch)

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$17.99

$ 8 .99 $8.99

In Stock

1.Size:2 * 4 Inch


About this item

  • Magnetic Field Display: Brown magnetic nanoparticles film is used to show magnetic field, clearly showing the patterns of magnetic field lines of magnets. Different colors represent different magnetic field intensity
  • Unique Design: The magnetic field paper is made of plastic film that contains a ferromagnetic slurry of fine nickel, and the frame outside can fix and protect the film
  • Widely Used in Daily: Ideal for observing all kinds of magnets such as SmCo, AlNiCo, Neodymium and Flexible Magnets. Clearly view magnetic field in objects. Magnetic clasp on your door, the speaker on your phone, or concealed buckle of the handbag
  • Wonderful Tool for Study: Just put magnetic field viewing film on little things, discover and analyze magnetic fields, and open your mind to calculate the value of the magnetic field, even if change the magnetic pattern
  • Reusable and Automatic Recovery: Our magnetic field viewer is reusable and automatic recovery after use, just place it on object surface to observe magnetic field


Product Name:
Magnetic Paper/Magnetic Field Viewing Film /Magnetic Field Viewer/Magnetic Field Demonstrator
Color: Brownish Yellow
Material: magnetic nanoparticles
Features:
Clearly observe the patterns of the magnetic field.
Place the film as close as possible to the magnet/item to observe the pattern changes.
Reusable and automatic recovery.
The stronger magnets, the better the results.
Warmming Tips: We are committed to making excellent products, if you are not satisfied with your order, please feel free to contact us for good solutions.
Package includes:
1 x Magnetic viewing film


B. Jones
July 5, 2025
I have been using the green field viewer sheets for years, and they are great, but I was looking for something that made a clearer image. So I got some of these. And they are amazing! I thought they'd be good, given the reviews, but I assumed that the photos were faked. They aren't—you really do get different colors and a very striking pattern when you have an interesting magnetic field to make visible.The only downside is this: This film only works on really strong fields. Refrigerator magnets.... Nope. You need strong rare earth magnets to see a good effect. But if you have strong magnets and you need to make a striking visualization of their field.... This is a great tool for the job!
Daniel L.
June 2, 2025
Reasonable price.Does exactly what it says it does.This magnetic indicator sheet isn't monotone, it really has a ferromagnetic oil defractive chamber layer. This gives you a good indcation of magnetic feild strength.A word of caution this mag-paper contains a fuild layer don't pinch it between magnet and metal. Never seen this be a problem but its good to know before you use these.
Grant
May 25, 2025
Bought to use for engine diagnostics when check tone rings on camshafts. Great value and works great.
On-line shopping junkie
April 11, 2025
Purchase this to replace a much smaller lower resolution similar device. This thing was cheap. Didn't expect much and when it came the holder that holds it had come unglued just had to glue it back together and it looked as it should. But also didn't realize that I should have just took it out of the holder because I'm pretty sure the holder is just for purposes of transportation. That being said, this thing works great. The resolution is exceptional and it really helps you see those magnets on a hall sensor very easily. Use it in my automotive technician class. Wish I had it when I was a tech,
Doyle ashley
April 2, 2025
Value
marcie wright
March 3, 2025
works... cool.
Iyad
December 30, 2024
Nice idea. But it's not very effective. It depends on many factors.
R. Buell
December 4, 2024
A must tool to see if your slot car is set up the the "in-Line " or the "X" pattern for the traction magnets to motor magnets. The "x" pattern is the pic on the rt. and the most downforce way to set up the car. The pic is of the 440x2 cars. I'll also get pics of the same for the SG+/Viper cars later. Notice the field has no yellow "break" between the motor and traction magnet on the same side of the car, hence the greater downforce. The traction magnet that sticks to the outside of the motor magnet goes on the opposite side of the car. Often magnets are not color coded so this ends any confusion.