News -China Rare Earth Permanent Magnet Manufacturers

Permanent Motor Magnets 20150514

2015-05-14

Neodymium Motor Magnets Manufacturer China Rare Earth Magnet Limited Looking for Permanent : We are in a project which is building motor prototyping. considering N52 grade or N50M grade. Can you inform us about coatings? I mean there several types of coating. But how can we choose the true And … View Details

Bonded NdFeB Magnets with Six Poles 20150425

2015-04-25

BNP-11L & BNP-12L Permanent Magnet Manufacturer China Rare Earth Limited Looking for NdFeB Magnets: I’m looking tri-polar magnets. Limited: What kind of magnets you are for? Please send us a drawing reference. Order Shipping: I will the About way to export them, we have … View Details

Bar Magnets for Kids 20150416

2015-04-16

AlNiCo Permanent Magnet Bar Manufacturer China Rare Earth Limited Looking for 150x19x7mm Bar: I am looking rectangular bar magnet, steel 150X19X7mm, marked North/South, Zn plated, pair. See attached picture. The material of this product is steel. Has keeper at both ends. Production … View Details

4"x1.5"x1.5" Big Permanent Magnets 20150408

2015-04-08

Big Neodymium Magnets Manufacturer China Rare Earth Magnet Limited Looking for Sintered : Would you please provide a quote the attached 45MGO bar magnets? We require block neodymium magnets, magnetized through side (not ends!!), nickel coated NdFeB Permanent Please check price of gold and … View Details

Neodymium High Temperature Magnets 20150330

2015-03-30

N30UH-N40UH Neodymium Permanent Magnets Manufacturer China Rare Earth Magnet Limited Looking for N30UH, N38UH, N40UH High Temperature Magnets: Please send me an offer production and delivery of the permanent magnets below: Item 1: Segment Material: Sintered Iron Boron Grade: 180℃ Size: … N30UH-N40UH Neodymium Permanent Magnets Manufacturer China Rare Earth Magnet Limited Looking for N30UH, N38UH, N40UH High Temperature Rare Earth Magnets: Please send me an offer for production and delivery of the permanent magnets below: Item 1: Segment Magnets Material: Sintered Neodymium Iron Boron Magnets Grade: N30UH, 180℃ Size: R8.5 + 0.1 x R7 + 0.1 x L15 ± 0.1mm Magnetization: MAGNETIZED Br max = 10.8 KGs; Br min = 11.3 KGs Magnetization direction: DIAMETRAL MAGNETIZED Coating: Zn Item 2: Magnetic Sleeves Material: Sintered Neodymium Magnets Grade: N40UH (N38UH), 180℃ Size: D11 ± 0.1 x d6 H10 (+0.018) x L25 ± 0.1mm Magnetization: MAGNETIZED Br max = 12.5 KGs (12.2 KGs); Br min = 11.3 KGs (12.5 KGs) Magnetization direction: DIAMETRAL MAGNETIZED Coating: Zn Item 3: Magnetic Sleeve Material: Sintered NdFeB Magnets Grade: N40UH (N38UH), 180℃ Size: D11 ± 0.1 x d3.5 H10 (+0.048) x L16 ± 0.1mm Magnetization: MAGNETIZED Br max = 12.5 KGs (12.2 KGs); Br min = 11.3 KGs (12.5 KGs) Magnetization direction: DIAMETRAL MAGNETIZED Coating: Zn Neodymium Permanent Magnet Manufacturer China Rare Earth Magnet Limited: Attached below please find our quotation list. Grade: N30UH / Br: 10.8~11.3 KGS N38UH / Br: 12.2~12.5 KGS N40UH / Br: 12.5~12.8 KGS Magnetization direction: Looking for 180℃ High Temperature Magnets: We confirm the order. For item 2 and item 3, we choose N40UH. NdFeB Magnet Manufacturer China Rare Earth Magnet Limited: Attached please find our Proforma Invoice in compliance with the order confirmation. Neodymium Magnets Order: The payment was made today. Attached, you will find our payment order. SmCo & AlNiCo Magnet Manufacturer China Rare Earth Magnet Limited: We really appreciate your prompt transfer of payment. Your order will be arranged immediately. I will let you know when the payment has been received. Our SmCo high temperature magnets can bear 350℃, & AlNiCo permanent magnets can bear 550℃. If you have such demand, welcome to contact us again. View Details

Neodymium Pot Magnets with Screw Thread 20150324

2015-03-24

Permanent Magnet Assembly Manufacturer China Rare Earth Limited Looking for Neodymium Pot Magnet: I need offer of this model neodymium magnet. More or less with specification (Pot magnet internal screw thread M5, Ø 40 mm, strength aprox. Kg more.) I painted in Black. This is very … Permanent Magnet Assembly Manufacturer China Rare Earth Magnet Limited Looking for Neodymium Pot Magnet: I need offer of this model of neodymium magnet. More or less with this specification (Pot magnet with internal screw thread M5, Ø 40 mm, strength aprox. 40 Kg or more.) I need this painted in Black. This is very important. Please, can you send me the offer of 100, 500 and 1000 units? Magnetic Assembly Manufacturer China Rare Earth Magnet Limited: We customized various neodymium permanent magnets and pot magnets for overseas customers. The specifications of the pot magnet mentioned below are not enough. You should provide a drawing to show specific dimensions of the ring magnet and metal cover. We will figure out the cost after receiving the drawing. Looking for Neodymium Magnetic Assembly : I attach you the drawing of the magnet that we need. Small changes are possible. We need price of 100, 500, 1000 and 2000 units. Pot Magnets Manufacturer China Rare Earth Magnet Limited: Normally, pot magnets are coated with Ni-Cu-Ni or Zinc. If you need the product painted in black epoxy, we can produce them for sure. But the cost is relatively higher. Please kindly be advised the strength of the permanent magnet products should be tested in practice. Our quotation below is based on N38 Grade. Product: NdFeB Pot Magnet Assembly Material: A3 Steel cover + Neodymium Ring Magnet Whole Size: D40x10mm (with internal screw thread M5) Plating: Black epoxy on Magnet & Metal cover Magnet size: D36xd8x8mm Magnet Grade: N38 Magnetization direction: Axially Magnetized Unit Price: Ex-works Shenzhen USD***/pc Looking for NdFeB Magnet Assembly: Firstly thanks for your quotation. It's is a little bit more expensive that we expected. But we understand that painting in black is the expensive think. For this solution could you send us the price for 5000 units? Permanent Magnets Manufacturer China Rare Earth Magnet Limited: Please find our updated offer in attachment. Our offer was based on the drawing above which we made according to your previous picture. View Details

State Purchase and Storage Stimulate Rare Earth Price 20150318

2015-03-18

Neodymium Permanent Magnets Manufacturer China Rare Earth Magnet Limited After an upside move of rare earth price, recently it still keeps firm and strong. On March 12th, 2015, Industry Association declared that price mainstream products including dysprosium oxide, terbium oxide … Neodymium Permanent Magnets Manufacturer China Rare Earth Magnet Limited After an upside move of rare earth price, recently it still keeps firm and strong. On March 12th, 2015, China Rare Earth Industry Association declared that price of mainstream products including dysprosium oxide, terbium oxide and praseodymium neodymium oxide hold stable. However, because trading volume becomes less, the coming state purchase and storage expected by the market will cause a sharp growth of rare earth. Definitive news of state purchase and storage still has not come out yet. Nonetheless, analysts believe that node of state purchase and storage will come at May 2nd. The critical product is medium and heavy rare earth. Because China lost the lawsuit of rare earth in WTO, it will completely open export of rare earth after May 2nd. In order to relieve impact brought by open of export, state purchase and storage will be hopefully carried out before May 2nd. Reform of rare earth resource tax will be followed as well. At that time, price of rare earth will increase significantly. Auction of state purchase and storage has been completed on July 31st, 2015. The first shipment began in Ganzhou in September. Total state purchase and storage reached one hundred million tons, which are finished by six enterprises including China Minmentals Rare Earth and Northern Rare Earth. Another six permanent magnet manufacturers participating in purchase and storage has 3000 tons of commercial storage. They have adjusted product structure and been partial to medium and heavy rare earth. Price of rare earth bottomed out in November, 2014. Due to foundation of Northern Rare Earth Group, implementation of striking illegal mining of rare earth and hearsay of state purchase and storage in 2015, China Rare Earth Industry Association indicates that quote of dysprosium oxide will increase over 25% and price of terbium oxide will go up over 50%. Currently, due to tight resource in the market, once the government really begins purchasing and storing, price will rise sharply in a short time. View Details

New-type Magnetic Materials for Heating Therapy for Cancer 20150313

2015-03-13

Permanent Magnets Manufacturer China Rare Earth Magnet Limited Recently, a research published on Applied Physics Letters, an international magazine, indicates that researchers from Monash University in Australia have developed special type of magnetic materials , which can realize … Permanent Magnets Manufacturer China Rare Earth Magnet Limited Recently, a research published on Applied Physics Letters, an international magazine, indicates that researchers from Monash University in Australia have developed a special type of magnetic materials , which can realize extraordinary self-regulating heating effect. These magnetic materials inspire scientists to develop new high temperature therapy for cancer. Scientists believe that temperature that is “tolerated” by healthy cells can be used to destroy cancer cells. However, using magnetic particles as a new method possibly can be imported into tissues and kill cancer cells through heating. But this new technology is far from being used as a standardized process. 　　 One hindrance in the development of this heating technology is scarcity of magnetic particles’ thermal capacity. Nonetheless, in the study, researchers find out a new type of materials, which not only can be heated in a short time, but can block increase of self heat quickly. Besides, the new magnetic materials can reach temperature under which cancer cells can be killed, but they will not bring influence on functions of normal cells. Professor Suzuki, one of the researchers, points out that no other materials can parallel with these self-control heating magnetic materials, which give hopes to develop new strategy of treating cancer. Currently, researchers also study magnetic refrigeration materials, which attract much attention of other researchers. But these materials will be limited by Curie temperature. Researchers indicate that the reason why they choose these materials is that the point of Curie temperature is a critical and ideal range for high-efficient heat therapy for treating cancer. Due to strong heat effect of the top magnetic materials, they can effectively destroy cancer cells and do not influence healthy tissues. Therefore, this new type of magnetic therapy of cancer can bring great help and hope to medical field. View Details

Magnetic Coupling 20150310

2015-03-10

Neodymium Permanent Magnet Assembly Manufacturer China Rare Earth Limited Magnetic Materials Invention and development of magnetic coupling are closely related to new permanent materials that constantly appear. At the very beginning, couplings made ferrite magnet with broad source … Neodymium Permanent Magnet Assembly Manufacturer China Rare Earth Magnet Limited Magnetic Materials Invention and development of magnetic coupling are closely related to new permanent magnetic materials that constantly appear. At the very beginning, magnetic couplings are made of ferrite magnet with broad source and cheap price. But due to poor performance, comparing with traditional couplings in the same sizes, they can only transfer small torque, which limits development of magnetic couplings. SmCo and Alnico magnetic materials, belonging to the second generation of permanent magnetic materials, have better magnetic performance than that of ferrite, so magnetic couplings made of these two materials can transfer bigger torque. However, reserves of samarium, cobalt and nickel are few, which are scarce and expensive strategic materials, leading to high price. Therefore, development of magnetic couplings is constrained. Neodymium magnet of which maximum energy product can reach 286KJ/m, becomes the third generation of permanent magnetic materials. Not only are performances of neodymium magnets better, but it has rich resource. Meanwhile, with high energy product, less usage, rich resource and nice process-ability, it can be cut, whittled and drilled, which reduces sizes of magnetic couplings, decrease cost, improve efficiency and save energy. Now, it has been widely applied to magnetic couplings. Application Field One of the successful applications is the combination between magnetic couplings and magnetic pumps. Previously, as expensive and special products, it is used only if necessary. But it has a wide range of applications, including petroleum and chemicals, medicines, movies, electroplating, nuclear power, semiconductor, food and biology. Magnetic couplings find the way into these fields and magnetic pumps are a big market of magnetic materials. General Situation of Home and Overseas With development of magnetic materials and appearance of new magnetic materials, magnetic coupling will have bigger torques, smaller sizes and wider application. Besides pumps and reaction kettle, magnetic couplings can be used in valves, hydraulic cylinders and air cylinders. It is estimated that magnetic couplings will have a broad market prospect. Developed countries have set standards of magnetic couplings. Although this technology started late in China, it develops rapidly in recent decade. Improvement of performance, in particular, provides an opportunity for magnetic couplings. Currently, some manufacturers of permanent magnets materials expand category of magnetic products of their own. China is crying out for a series of standard and arranges professional factories to produce stereotypes of products. View Details

Strong Magnetic Pickup Tools 20150216

2015-02-16

Neodymium Permanent Magnet Manufacturer China Rare Earth Limited Product Name: Strong Magnetic Pickup Tool Special Type: Various types of magnetic pickup tools can be customized. Materials: Sintered Surface Treatment: It is coated with NiCuNi which rust-proof and corrosion-resistant. … Neodymium Permanent Magnet Manufacturer China Rare Earth Magnet Limited Product Name: Strong Magnetic Pickup Tool Special Type: Various types of magnetic pickup tools can be customized. Permanent Magnet Materials: Sintered Neodymium Magnet Surface Treatment: It is coated with NiCuNi which is rust-proof and corrosion-resistant. Magnetized Direction: Through Thickness Max. Working Temperature: 80 Celsius degree Manufacturer: China Rare Earth Magnet Limited Theories and Little Knowledge about Magnet Magnets, often made of metal alloy with strong magnetism, refer to objects or materials that can produce magnetic field. Traditionally, magnets can be classified into “permanent magnets” and “non-permanent magnets”. Some permanent magnets are natural products, also called “natural magnets”, but some are man-made magnets (the strongest magnets are neodymium magnets ). Non-permanent magnets may probably loss their magnetism. Greeks and Chinese discovered that there were some naturally magnetized stones in nature, calling them “magnets”. These stones can magically attract small pieces of iron sheets and always point at the same direction after swinging. Early navigators told direction with these magnets as the earliest compasses on the sea. Through thousands of years of development, magnets have become strong materials in today’s life. Alloys made of different materials can reach the same effect as magnets, which can improve magnetism as well. In the 18th century, man-made magnets came into being, but it was a slow process of producing stronger magnetic materials. People could not manufacture alnico magnets until 1920s. In 1950s, people invented ferrite magnets in 1970s and rare earth magnets including NdFeB magnets and SmCo magnets. Currently, with rapid development of magnetic technology, strong permanent magnetic materials make components smaller. Q: What is the industrial definition of standard N and S poles? How to distinguish N pole of a magnet without any mark? A: The definition of N pole is that it points at North Pole of the earth after spinning and S pole points at South Pole. Obviously, you can not distinguish N or S poles only relying on eyes. Q: How to manage and keep magnets? A: You should be very careful for magnets will attract each other automatically, which may injure hands. Sometimes due to collision during the attraction, magnets may be damaged as well. Things that are easy to be magnetized should place far away from magnets, such as soft disks, credit cards, computer display cards, watches, mobile phones and medical devices, especially cardiac pacemakers. Magnets in big sizes should be separated by plastic and stiff paper. Also, they should be kept in dry and constant-temperature environment. Q: How to separate magnets? A: Only materials that can be attracted on magnets can block magnetic field. The thicker the materials are, the better the barrier effect is. 　 Machining Process of Neodymium Rare Earth Permanent Magnet Technological process: Materials preparation→ Smelting→ Powder making→ Molding→ Sintering and tempering→ Magnetism inspection→ Grinding→ Cutting→ Electroplating→ Finished products In these processes, materials preparation is basic and the key is sintering and tempering. Means of production: smelting furnace, jaw breaker, ball mill, jet milling, molding machine, vacuum sealing machine, isotropic pressing machine, sintering furnace, vacuum heat treating furnace, gauss meter View Details

A4 Colorful Rubber Magnetic Sheet 20150211

2015-02-11

Flexible Permanent Magnet Manufacturer China Rare Earth Limited Permanent Materials: Rubber with isotropic single-sided multi-poles/ PVC glued on the rear without magnetism Dimensional Tolerance: length 297mm(±1cm)/ width 210mm (±1cm)/ thickness 0.85mm … View Details

Strong Rubber Flexible Magnetic Strip 20150206

2015-02-06

Flexible Permanent Magnet Manufacturer – China Rare Earth Limited Product: + 3M Double-sided Adhesive Tape Dimension: Width 20x Thickness 2mm Manufacturer: Details: one side with flexible magnet and the other double-sided adhesive tape Performance: The magnetic strip … View Details

Ferrite Magnet Toys for Early Education & Teaching

2015-02-03

U-shaped & Horseshoe Teaching Permanent Magnets Manufacturer – China Rare Earth Magnet Limited This is a set of teaching permanent magnets which environmental-friendly and creative. Not only can they stimulate children’s innovation, but arouse interests in making … View Details

Neodymium Arc Magnets for Elevator

2015-01-29

Influence of Performance China Neodymium Rare Earth Permanent Magnets on Elevator Tractors Product: Magnetic Materials: Shape: Arc Manufacturer: Magnet Limited 1. Residual magnetism high temperature irreversible lost rate permanent magnets for elevators refers to relative decreasing … View Details

Filter Permanent Magnet 20150126

2015-01-26

Neodymium Magnets Manufacturer China Rare Earth Magnet Limited Product Name: Strong Permanent / Filtering Magnet/ Absorption of Engine Oil Dust/ Protection Engines Size: Diameter 15mm x Thickness 3mm (using 5-6 pieces can reach more ideal effect) Magnetic Materials: Magnet: 4500Gs … Neodymium Magnets Manufacturer China Rare Earth Magnet Limited Product Name: Strong Permanent Magnets / Strong Filtering Magnet/ Absorption of Engine Oil Dust/ Protection of Engines Size: Diameter 15mm x Thickness 3mm (using 5-6 pieces can reach more ideal effect) Magnetic Materials: Neodymium Magnet: 4500Gs (4500Gs is the maximum residual magnetism of the magnet, so magnet with more than 4500Gs is false) Color: Silver, as per the picture Manufacturer: China Rare Earth Magnet Limited Features: It can take place of poles of TX which is broken and it will never damage. If you want to hang something on the car, but you can’t find a hook. You can stick this disc magnet to any place of the headliners. Coins in boxes are out of order; this small neodymium permanent magnet can make them concentrated. Advantages: It can protect the heart of the car and extend the lifespan of engines. It can extend the time of replace the lubricating oil and save money. The lubricating system of engines is perfect, which reduce the attrition of dynamic sides, with higher efficiency. It can directly gain the magnetizing engine oil. The function of magnetizing engine oil is that it is attracted to on the faces of attrition when the engines cool start. With good and lubrication and small attrition, NdFeB rare earth permanent magnet king can directly magnetize the engine oil and save money for buying magnetizing oil. Maintenance: When installing these neodymium disc magnets , you should avoid collision and absorption of these magnets, which will produce big impacts. (Closer is the distance, bigger is the suction. And this suction will make the magnets much closer and increase the suction. The moment when these two China NdFeB magnets collide with each other, acceleration will become big and the time is short. You can imagine how big the impact is.) Warm tips: Due to the strong magnetism, you should mind your hands when you pick it and install it. China Rare Earth Magnet Limited also manufacture SmCo permanent magnets, if you are interested in such high temperature magnets, welcome to contact us. View Details

Bonded Permanent Magnets 20150121

2015-01-21

NdFeB Neodymium Magnet Manufacturer China Rare Earth Limited China has manufactured bonded magnets for more than 10 years with rich product experience, skilled technicians and strong development ability. With advanced production lines of neodymium magnets, we professionally … NdFeB Neodymium Magnet Manufacturer China Rare Earth Magnet Limited China Rare Earth Magnet Limited has manufactured bonded NdFeB magnets for more than 10 years with rich product experience, skilled technicians and strong development ability. With advanced production lines of bonded neodymium magnets, we professionally manufacture boned magnets with high precision in different shapes, which includes bonded NdFeB ring magnets, arc magnets and so on. We can magnetize magnets with various magnetization directions (radial magnetization, multi-poles through diameter, thickness magnetization) and assemble magnetic parts with other metal components. Our bonded permanent magnets are widely applied to micro motors (motor ring magnets & arc magnets), mobile micro vibration motors, mobile keypad (micro motor magnets ), electric product conveyor, horologe instrument (horologe magnetic steel), automobile, household appliance, stereos, office automation equipment, toys, therapy magnetic products and various area in daily use. China Rare Earth Magnet Limited is equipped with advanced automatic powder pressing machine, magnetization instruments, top automatic electrophoresis production lines, Parylene-coating equipment and different testing devices (quadratic element, salt spray machine and constant temperature and wet test boxes). If you are interested in our permanent magnetic products, please feel free to contact us. Advantages of Bonded NdFeB Permanent Magnets: 1. High precision The products can be formed in once and meet the precision requirements without any post processing. 2. Good magnetic performance: Energy products of bonded neodymium magnets are 3 times of that of anisotropic ferrite magnets. They have high intrinsic coercive force, stable magnetic performance and excellent consistency. 3. Nice corrosion resistance and surface treatment: Our products are coated with epoxy and the most advanced Parylene which are the best corrosion resistant with blister, cracks, peeling, flanges. China Rare Earth Magnet Limited is also bonded injection ferrite magnets manufacturer, can also supply SmCo & AlNiCo permanent magnet. View Details

Ferrite Ring Magnets 20150116

2015-01-16

Permanent Magnets Manufacturer China Rare Earth Magnet Limited Physical Performance: In actual manufacturing process of ferrite magnets, due to physical performance, raw materials with excellent performance sometimes cannot produce permanent magnets good and micro structure. … View Details

Scratching-resistant Permanent Magnet Assembly 20150113

2015-01-13

Neodymium Magnets Manufacturer China Rare Earth Magnet Limited Product Name: Scratching-resistant Strong NdFeB Magnetic Assembly Description: Size: D43mm+M6 thread in English size (1/4 inch, length of thread: 30mm) Because this is size, first please confirm that your screw hole M6 … Neodymium Magnets Manufacturer China Rare Earth Magnet Limited Product Name: Scratching-resistant Strong NdFeB Magnetic Assembly Description: Size: D43mm+M6 thread in English size (1/4 inch, length of thread: 30mm) Because this thread is in English size, first please confirm that your screw hole is M6 thread if your product is fixed by screw hole. If the screw hole is the screw hole is M6 in Chinese standard, you only need to broaden the screw hole. If your product is fixed by screw, we will send you screws so that there won’t be any problem of installation. Weight: 36g Color: black Vertical Pull Force: 8kg (This is a maximum value measured on an iron plate with 10mm thickness. If the iron product is thin or not smooth, the pull force will be lowered.) Cautions: When used as a sidelight base of a driver-training car, the product will has less attraction because the sidelight is absorbed horizontally. Therefore, please do not drive at a high speed. But when you really need to drive fast, it is better to put the sidelight on car roofs or hoods. (It should be placed vertically!) Assembly Profile The base of this product is made of rare earth strong magnetic steel with intensive pull force and it is cover with rubber, which is widely applied to different locations with sensitive surface, such as base of spotlight or base of national flag on car roofs and base of cameras. Advantages: 1. The base is made of neodymium magnets call “magnetic king”, which composed by certain magnetic circuits. It magnetism is ten times higher than that of traditional ferrite permanent magnets. With such huge magnetic force, it can guarantee safety and immobility of spotlight when the car drives fast. 2. With cover with rubber, the magnetic assembly will not scratch or damage paints of cars, which remove worry for majority of car enthusiasts. Application: The strong magnetic assembly is made of NdFeB rare earth magnets with strong magnetism, which is widely used in spotlights on car (SUV) roofs, sidelight of driver-training car, advertising lamp box on minibus roofs, flower disc of wedding cars, cameras and other special instruments. When you use the permanent magnet product, you have to first twist off original screw and nut, then fix light holder and finally tighten the screw. Below is the application picture of magnetic chuck on driver-training cars. View Details

Car Magnets 20150108

2015-01-08

Flexible Permanent Magnet Manufacturer China Rare Earth Limited Car magnets can beautify cars, alert people and express individuality, also protect paintwork cover scratches. If car are scratched, which influence the appearance, you fix flexible on Also, if material of your is reflective, … View Details

Custom Permanent Magnets

2015-01-04

Neodymium Magnets, SmCo, AlNiCo, Ferrite Magnets Manufacturer China Rare Earth Magnet Limited Permanent magnets belong to non-standard and customized products. Magnetic products are manufactured according requests of customers. Different customers have different requirements the … View Details