Applied Magnets® Magnetic Viewing Film - Magnetic Field Display Film 6" X 3"

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Product Description<br>|<br>Shipping Policy<br>|<br>Magnet Safety Warning<br>|<br>F.A.Q.<br>|<br>Return Policy<br>Magnetic Field Display Film 6" x 3"<br>Contents:<br>One sheet of 6" x 3" Display film. (You can purchase magnets in our<br>eBay Store<br>).<br>Magnetic Field Display great for science projects<br>What does the Magnetic Field Display Do?<br>Magnetic field display viewing film is used to visualize magnetic fields. It is a translucent paper-like substance which makes magnetic fields visible. Most are made from a plastic film that contains a ferromagnetic slurry of fine nickel particles that align themselves along magnetic field lines. The general principle of operation is that magnetizable nickel particles are suspended in a colloidal form in a gelatinous material. This allows enough freedom for the particles to align with an externally applied magnetic field - thereby displacing the colored fluid and causing a color change at the surface of the film.<br>If you want to buy additional or other size magnets please visit<br>our eBay store<br>.<br>Buy with confidence from us:<br>Trusted and reliable global magnet distributor and supplier.<br>Committed to customers with lowest price, highest magnet quality.<br>Honesty and trustworthiness are our #1 priority.<br>Outstanding customer service.<br>Proven track record and excellent reputation.<br>All of our Neodymium Iron Boron magnets are manufactured in ISO certified factory.<br>Shipping Policy<br>This item will be shipped using the United States Postal Service.<br>USPS tracking is not accurate or "real-time".<br>While your USPS package may appear to be held up in one place for several days, nearly all packages arrive within the normal 3-7 business days.<br>However, a few may take up to 20 business days to arrive.<br>Please contact us if your package takes longer than normal to arrive.<br>Frequently Asked Questions<br>Q: When will my order ship?<br>A:<br>Orders are shipped within 1 business day of their receipt.<br>Q: What does grade N52, N50, N48, N45 and N42 mean?<br>A:<br>The strength of neodymium magnets is given by a grading from N24 for the lowest strength magnets to N54 for the strongest. Each number higher is about 1% stronger than the previous number grade.<br>Q: Can I cut or drill neodymium magnets?<br>A:<br>NO, with cutting or drilling there is a both a fire and fracture hazard and the dust is toxic.<br>Q: How long will Neodymium magnets last?<br>A:<br>400 years, if not subjected to sharp impacts or higher than rated temperatures.<br>Q: What are the tolerances of our magnets?<br>A:<br>+ or - 0.005"<br>Q: Are our HYenergy line of wind turbines UL or ETL approved?<br>A:<br>Our HYenergy line of 5 blade wind turbines have ETL approval. ETL Will also pass for UL approval.<br>Q: To what temperature can Neodymium magnets be subjected before they start losing their magnetic force?<br>A:<br>176 degrees Fahrenheit or 80 degrees Centigrade.<br>Q: Where are the poles on rectangular, bar, and block magnets?<br>A:<br>All our rectangular magnets are magnetized through the thickness. The poles are always on the surfaces of the 1st two numbers of the measurements.<br>Q: Where are the poles on cylinder and disc magnets?<br>A:<br>The poles are always axially magnetized through the thickness. This means the poles are on the flat surfaces unless stated that they are diametrically magnetized which means the poles will be on the curved sides.<br>Q: Do you offer combined shipping<br>A:<br>We do not offer combined shipping.<br>Q: What is Pull Force? 1<br>A:<br>Pull Force is the amount of force required to separate 2 of the same size magnets from each other. Actual pull force of cylinder/disc/cup/ hook magnets may vary depending on different applications due to the small contact surface or magnets to curved surfaces due to the small contact surface. Please test them before usage.<br>Q: What is Pull Force? 2<br>A