• Whiteboard Magnet System 1
Whiteboard Magnet

Whiteboard Magnet

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
4000 Pieces or more pc
Supply Capability:
200 Tons per Month or more pc/month

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Specifications

1.whiteboard magnet;

2.colorful magnetic memo button;

3.20mm,30mm,40mm;

4.10pieces per blister pack

whiteboard magnet

size:round,oblong,star,hear,special forms accepted;

diameter:20mm,30mm,40mm;

materials:plastic/transparent plastic + ceramic/ferrite magnet

logo: printing can be done on the magnet holder or on the blister package,which is optional

MOQ:400 blister bags for one design;

ideal for office and school holder stationery;

can be used as gifts for the children in the kindgarten for these itmes are no harm parts;

package:10pcs into one blister plastic bag,100bags into one middle carton,5.6kg for the middle carton,

              4 middle cartons into one outer carton,about 23kg for one outer carton.

Q: Okay, well I‘m doing this science experiment. My variables are the two types of magnets. One is just a regular magnet and the other is a neodymium magnet. So I lay down the dollar bill and first see if the regular magnet works (it won‘t). Then I take the neodymium magnet and see if it attracts the dollar (it will). But I have no idea what I could measure on this experiment. Maybe how far the dollar bill lifts off the table? But I really probably need something else. Any help, please?
The other answerer was wrong, a rare earth (neodymium) magnet does indeed attract US paper currency. Try it, I did. There is a slight but definite attraction between a neodymium magnet and a dollar bill - it is likely the metallic compounds in the ink. I don't think you need do much more for your experiment; in this case there is either an attraction or there isn't. Often that is what an experiment is all about - the test either works or it doesn't. You could also test other denominations, a $5, a $10. And find paper money from other countries, is it attracted or not? Also experiment with coins. Older US nickels, and Canadian quarters, can be attracted by strong magnets (it's the nickel metal in the coins).
Q: Is ferromagnetic material better than air?
However, commonly used in high-pressure mills, ferromagnetic materials are mostly iron and other metal or non-metallic alloy, and some contain iron oxide (ferrite).The magnetic properties of ferromagnetic materials are represented by the form of characteristic curves, the most common of which is the curve (which shows the dependence of the magnetic induction intensity of the material on the magnetization field).
Q: Heat causes atoms in the magnet to move faster. If the magnet is heated enough, it‘s atoms may be moving fast enough to jostle the domains out of alignment. Then the permanent magnet loses it‘s magnetic field and is no longer a magnet.
the earth is not a permanent magnet, to put it simply. That is, the strong magnetic field is not the product of permanent magnetism but is instead a generated field. Of course, the strong field has imposed itself on rock materials that have gone from above to below curie temperature, so there is a permanent field associated with earth materials in lower temperature domains, but it is not a homogeneous field nor a strong field. There is identifiable residual permanent magnetism associated with the planetary bodies like moon and mars that no longer have a generated field.
Q: What are the characteristics of ferromagnetic materials for transformers, cores, magnets, and permanent magnets?
Certain ferromagnetic substances are magnetized at once. Even after the removal of the external magnetic field, there is still a great residual magnetic induction. General non-ferrous metal materials are non ferromagnetic materials, that is, can not be magnetized material. Austenitic stainless steel inside stainless steel can not be magnetized, and other stainless steel material can be magnetized.
Q: Are electrical currents creating Magnetic or Electromagnetic fields when running through conductive materials?
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Q: Iron ore beneficiation, flotation or magnetic separation?
Magnetic Separation Of Iron Ore
Q: comment on B-H curve of the transformer
In practice, all magnetic materials, once magnetized, retain some of their magnetization even when the magnetizing force is reduced to zero. This effect is known as 'remanence' and results in the B-H curve for the material exhibiting a response to a decreasing magnetizing force that is different to the response to an increasing magnetizing force. The slope of the B-H curve, the saturation level, and the size of the hysteresis loop are dependent on the type of material used, Hysteresis loss is the result of cycling the magnetic material along its B-H curve. It represents the energy taken as the applied voltage, aligns magnetic dipoles first in one direction, and then in the other. The loss increases with the area of the B-H curve enclosed. As the material is driven closer to saturation, both the area within the curve, and the corresponding energy loss each cycle, increase substantially.
Q: What is ferromagnetic material?
A substance that produces magnetism directly or indirectly by excessive elements such as iron, cobalt, nickel, and their alloys.
Q: What material blocks magnetic lines of force?
Nothing can block magnetic field lines. Magnetic field lines ALWAYS go around a closed loop, so says Gauss's law of magnetism. Some materials have special abilities, though, to warp or change the shape of this loop, and thus, in effect, gives the impression at the macroscopic level of hindering the magnetic field.
Q: Wt the difference btween earth magnetic field and actual maget magnetic field?? is both are same?
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We are a leading manufacturer and supplier of magnetic products, such as magnetic materials, reductive iron powder and injection magnets. We take pride in a number of senior engineers and technicians with over 20 years of experience in this sector as well as advanced equipment and the top-ranking management system, which make it possible for us to provide our customers with high quality products, competitive prices and first-class service. We sincerely hope to establish long-term business relationships with customers from at home and abroad on the basis of equality and mutual benefits and seek common development.

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2009
Annual Output Value
Main Markets 11.11% North America
11.11% South America
11.11% Eastern Europe
11.11% Southeast Asia
11.11% Oceania
11.11% Mid East
11.11% Eastern Asia
11.11% Western Europe
Company Certifications license 1

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage 91% - 100%
No.of Employees in Trade Department
Language Spoken: English, Chinese, Japanese
b) Factory Information
Factory Size: 5,000-10,000 square meters
No. of Production Lines 6
Contract Manufacturing OEM Service Offered
Product Price Range

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