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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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Rare Earth Ndfeb heart Magnet.silver coating magnet 

Price: 0.01~1.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RM-I04
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Type: Permanent
Brand Name: rainbow magnet
coating: silver
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Jewelry Magnet
Composite: NdFeB Magnet
shape: heart

we can make the abnormity shapes magnet according to customers' requirment. and coating color for customer design.

Nd-Fe-B permanent magnet is manufactured in a wide range of shapes, sizes and grades according customer's demand.
NdFeB has a very high energy product and coercivity, can pick up 660 times of own weight of heavy objects.
The advantage is high cost-effective, with good mechanical properties, easy cutting; according customer's demand to manufacture in a wide range of shapes, sizes and grades.
Also have high Br,high Hcj,high (BH)max,and high stability become the important material of the world.
The shortcoming is the low of the Curie temperature and the temperature characteristics, easy to rust, oxidation, Sintered NdFeB’s surface is usually required for plating such as zinc, nickel, silver, gold, etc., can also be done phosphorus treatment or spray epoxy resin to slow down the oxidation rate.
Nd-Fe-B permanent magnet with its excellent performance, abundant raw material and reasonable price is to be rapid development and wide application.
Also becoming increasingly popular across a wide range of novelty products for markets.

APPLICATION:
instrumentation,
electro-acoustic motor,
magnetic magnetization device
micro motors,
electronic industry,
automobile industry,
petrochemicals,
nuclear magnetic resonance device,
sound device magnetic suspension system,
magnetic transmission machine
magneto therapy equipment
high performance motors,
brushless DC motors,
generators,
magnetic separation,
magnetic resonance imaging,
sensors
loudspeakers
headphones,
hearing aids,
voice coil motors,
magnetic vibrators,
vibrating motors,
permanent magnet motors,
magnetic thrust axis,
magnetic machinery,
magnetic spring,
magnetic vibration device
magnetic connection,
magnetic drive,
Permanent magnet crane

Grade Residual Induction Coercive Force Intrinsic Coercive Force Maximum Energy Product Maximum Operating
Temperature
   Br Hcb Hcj (BH)max Tw
   T KGS KA/m KOe KA/m KOe KJ/m3 MGOe ℃
N35 1.17-1.21 11.7-12.1 876-899 11.0-11.3 ≥955 ≥12 263-279 33-25 ≤80
N38 1.22-1.26 12.2-12.6 876-923 11.0-11.6 ≥955 ≥12 287-303 36-38 ≤80
N40 1.26-1.29 12.6-12.9 876-923 11.0-11.6 ≥955 ≥12 303-318 38-40 ≤80
N42 1.30-1.33 13.0-13.3 876-926 11.0-11.6 ≥955 ≥12 318-334 40-42 ≤80
N45 1.33-1.37 13.3-13.7 876-926 11.0-11.6 ≥955 ≥12 342-358 43-45 ≤80
N48 1.36-1.42 13.6-14.2 876-926 11.0-11.6 ≥955 ≥12 358-382 45-48 ≤80
N50 1.41-1.45 14.1-14.5 828-907 10.4-11.4 ≥876 ≥11 382-398 48-50 ≤70
N52 1.44-1.48 14.4-14.8 828-907 10.4-11.4 ≥876 ≥11 394-414 49.5-52 ≤70
N35M 1.17-1.21 11.7-12.1 892-915 11.2-11.5 ≥1114 ≥14 263-279 33-35 ≤100
N38M 1.22-1.26 12.2-12.6 907-931 11.4-11.7 ≥1114 ≥14 287-303 36-38 ≤100
N40M 1.26-1.29 12.6-12.9 907-947 11.4-11.9 ≥1114 ≥14 303-318 38-40 ≤100
N42M 1.30-1.33 13.0-13.3 907-947 11.4-11.9 ≥1114 ≥14 318-334 40-42 ≤100
N45M 1.33-1.37 13.3-13.7 907-955 11.4-12.0 ≥1114 ≥14 334-358 42-45 ≤100
N48M 1.36-1.42 13.6-14.2 907-955 11.4-12.0 ≥1114 ≥14 358-382 45-48 ≤100
N33H 1.14-1.17 11.4-11.7 820-876 10.3-11.0 ≥1353 ≥17 247-263 31-33 ≤120
N35H 1.17-1.21 11.7-12.1 860-907 10.8-11.4 ≥1353 ≥17 263-279 33-35 ≤120
N38H 1.22-1.26 12.2-12.6 907-947 11.4-11.9 ≥1353 ≥17 287-303 36-38 ≤120
N40H 1.26-1.29 12.6-12.9 907-947 11.4-11.9 ≥1353 ≥17 303-318 38-40 ≤120
N42H 1.30-1.33 13.0-13.3 907-947 11.4-11.9 ≥1353 ≥17 318-334 40-42 ≤120
N44H 1.33-1.36 13.3-13.6 907-947 11.4-11.9 ≥1274 ≥16 334-350 42-44 ≤110
N30SH 1.08-1.12 10.8-11.2 804-844 10.1-10.6 ≥1592 ≥20 223-239 28-30 ≤150
N33SH 1.14-1.17 11.4-11.7 820-876 10.3-11.0 ≥1592 ≥20 247-263 31-33 ≤150
N35SH 1.17-1.21 11.7-12.1 860-907 10.8-11.4 ≥1592 ≥20 263-279 33-35 ≤150
N38SH 1.22-1.26 12.2-12.6 907-947 11.4-11.9 ≥1592 ≥20 287-303 36-38 ≤150
N40SH 1.26-1.29 12.6-12.9 907-947 11.4-11.9 ≥1592 ≥20 303-318 38-40 ≤150
N42SH 1.30-1.33 13.0-13.3 907-947 11.4-11.9 ≥1512 ≥19 318-334 40-42 ≤140
N28UH 1.04-1.08 10.4-10.8 780-812 9.8-10.2 ≥1990 ≥25 207-223 26-28 ≤180
N30UH 1.08-1.12 10.8-11.2 804-844 10.1-10.6 ≥1990 ≥25 223-239 28-30 ≤180
N33UH 1.14-1.17 11.4-11.7 820-876 10.3-11.0 ≥1990 ≥25 247-263 31-33 ≤180
N35UH 1.17-1.21 11.7-12.1 860-907 10.8-11.4 ≥1990 ≥25 263-279 33-35 ≤180
N38UH 1.22-1.26 12.2-12.6 860-907 10.8-11.4 ≥1990 ≥25 287-303 36-38 ≤180
N40UH 1.26-1.29 12.6-12.9 860-907 10.8-11.4 ≥1990 ≥25 289-303 38-40 ≤180
N28EH 1.04-1.08 10.4-10.8 780-812 9.8-10.2 ≥2388 ≥30 207-223 26-28 ≤200
N30EH 1.08-1.12 10.8-11.2 804-844 10.1-10.6 ≥2388 ≥30 223-239 28-30 ≤200
N33EH 1.14-1.17 11.4-11.7 820-876 10.3-11.0 ≥2388 ≥30 247-263 31-33 ≤200
N35EH 1.17-1.21 11.7-12.1 860-907 10.8-11.4 ≥2388 ≥30 263-279 33-35 ≤200
N38EH 1.22-1.26 12.2-12.6 860-907 10.8-11.4 ≥2388 ≥30 287-303 36-38 ≤200
Note: The above mentioned data of magnetic parameters and physical are given at 20℃±2℃
There are three main parameters:
the remanence Br (unit: Gauss), is the magnetic energy to measure the parameters of the magnetic field strength; 
coercivity Hc (unit Oersted ) is a measure of the anti-demagnetization ability parameters; 
the BH(max)  (unit Gauss-Oersted), is how much of the characterization can store energy in a physical quantity.
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 Ms. Annie

Tel: 86-574-87840198
Fax: 86-574-87393806
Mobile: 86- 189 5744 9606
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Company Info

Rainbow Magnet Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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