Whiteboard Magnet
- Ref Price:
-
- 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
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
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- Credit Services
- Credit Purchasing
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:You have been given the task of describing the theory of magnetic domains to a class of 5th graders. You have enough large paper arrows to give one to each student. Describe your plan to show them the domain nature ofA non-magnetic materialA permanent magnetAn electromagnet
- This sounds fun. You don't even need arrows really. This is how I'd do it: Put all the students (the more the better--like 100 or more would be great) in a clump in an open space--go outside if need be. Tell them to close their eyes and turn in circles until everyone is facing in a random direction. Now tell them that they are like atoms with magnetic dipoles. No arrow required, just say the dipole moment is in the direction they are facing. If they are facing in random directions, their alignment describes a non-magnetic material. Now tell them that in a permanent magnet, a dipole moment tends to line up with it's neighbors. But it costs energy to move, so it doesn't want to move more than necessary. So tell them to rotate as little as possible to line up with (face the same direction as) their neighbors. Move slowly and no talking. If it works out, you should have clumps of students facing a certain way--those clumps are like domains. Finally, in an electromagnet, an extermal field is induced, which is so strong that it compels all the dipoles to allign with it. So on your command, the students should snap to and line up in your chosen direction. If the material is permanently magnetic, the moments (students) will stay aligned even after the field is removed, because of the influence of their neighbors all facing that way. However, if the material is not magnetic, then thermal fluctuations (like fidgetty students that can't stand still) will have the students facing randomly a short time after the external field is removed.
- Q:What is the relationship between the magnetism of the material and temperature and pressure?
- The physical properties of the material with temperature when heated to a certain temperature, the original magnetic will disappear. The magnetic transition point refers to the magnetic material can change between the magnet and the magnet temperature, namely ferroelectric ferroelectric phase transition from paraelectric phase transition temperature to cause.
- Q:Can anyone tell me which element or substance stops the magnetic field?thank you
- With a few bikes you can replace only one side. This is true with bikes sporting an integrated brake system (ex-Goldwing) where rear brake pedal activates the rear brake and one side of dual disc front.
- Q:I have both items in my hand right now. A former question about hard drive operation created several responses saying stainless steel is magnetic and/or my information was wrong. My information comes straight from the guts of a hard drive. Can somebody explain what I am overlooking about this situation? Or why my information is wrong?
- Stainless is made from steel and nickle ,and the better quality id non magnetic. If u are going to buy a set of spoons and knives take a magnetic and u can find the highest nickle.
- Q:What is ferromagnetic material?
- Magnetic materials are difficult to be divided into soft magnetic materials and hard magnetic materials after magnetization. It is easy to remove the magnetic material after magnetization. It is called soft magnetic material, and the material which is not easy to be magnetized is called hard magnetic material. Generally speaking, soft magnetic materials have less remanent magnetism, and hard magnetic materials have larger remanence.
- Q:Is tungsten magnetic?
- Without magnetism, the iron alloy will have a magnetic field, even if it is an iron nickel alloy, its magnetic field is also magnetized by the magnetic field.
- Q:Would it be necessary to cover the whole surface of a planet?
- it is fairly easy to create very very intense fields in a limited region the earth field is quite small but the physical size is huge so it would take enormous amounts of electric current all magnetism is due to electric charge in motion
- Q:Please explain to me why, as well! I have a test tomorrow and I am fairly confused with this material.Also, which magnetic pole (on the bar magnet model) matches the magnetic south pole?Thank you!
- No. The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface. It should not be confused with the North Magnetic Pole. Also from pedia: The North Magnetic Pole is physically a magnetic field south pole The magnetic north pole does not actually stay in one spot on the earths surface while the geographical north pole does. So it's impossible that they be in the same spot (for very long anyway).
- Q:how the magnetic patterns on the ocean floor formed?
- No, they go down too easily and suddenly on a little sand. When I was a kid, everybody who got a vespa soon broke a collarbone. I love vespas, and have owned a couple, but you have to treat them with respect. If you are cavalier, they will bite you.
- Q:Wt the difference btween earth magnetic field and actual maget magnetic field?? is both are same?
- Well,unlike the field from a bar magnet ,Earth's field changes over time due to it being generated by the motion of molten iron alloys in the outer core. Every hundred or thousand years the Earth's field reverses,which north and south geomagnetic poles change places with each other.
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 |
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| 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 |
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| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| 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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