Customized Super Strong Magnet Thin Ring Neodymium Magnet for Speaker

Model NO.: thin ring neodymium magnet
Working Temperature: 80c-200c
Trademark: YYMAG
Transport Package: Shielding Packing/Standard Packing
Specification: 33x24x15cm or customized
Origin: China
HS Code: 85051110
Customized super strong magnet thin ring neodymium magnet for speaker

Detailed product information:

Product Name:  Countersunk Neodymium Magnets with hole/NdFeB Countersink Magnets 

Applications: NdFeB Ring magnets are Widely used in different applications, such as sensors, motors, rotors, wind turbines/wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on.

Material: NdFeB (Neodymium Iron Boron)

Shape: Ring (Customized shapes for Sintered Neodymium  Magnet are available.)

Tolerance in size: +/-0.05mm or +/-0.1mm

Type of coating:  Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

Grade:  N35-N52; N33M-N50M; N33H-N48H; N30SH-N45SH;N30UH-N40UH; N28EH-N38EH,N28AH-N35AH.

Working Temperature

Grade

Max. Operating Temperature

N35-N52

80°C (176°F)

33M- 48M

100°C (212°F)

33H-48H

120°C (248°F)

30SH-45SH

150°C (302°F)

30UH-40UH

180°C (356°F)

28EH-38EH

200°C (392°F)

28AH-35AH

220°C (428°F)

 

Technology Advantage

Depending on advanced R&D center, Quality control team and professional machining technicians, we can surpass our competitors in the stability of quality and superiority of property.

Delivery Advantage

 

The lead time must be 2-4 days quicker than industry average because of more flexible machine process control.

 

Price Advantage

 

The price is 3-10% cheaper than industry average because of an excellent and efficient management system.

  

Direction  of magnetization: Through the diameter and through the thickness

Free of harmful substances according to ROHS Directive 2002/95/EC 

Exempt from registration according to REACH.

Typical Magnetic Properties:
Grade Br Hcb Hcj (BH)max Working Temp
mT Gs kA/m Oe kA/m Oe kJ/m3 MGOe ºC
N35 1180-1230 11800-12300 ≥868 ≥10900 ≥955 ≥12000 263-287 33-36 ≤80
N38 1220-1280 12200-12800 ≥899 ≥11300 ≥955 ≥12000 287-310 36-39
N40 1260-1310 12600-13100 ≥923 ≥11600 ≥955 ≥12000 302-326 38-41
N42 1280-1340 12800-13400 ≥923 ≥11600 ≥955 ≥12000 318-342 40-43
N45 1320-1370 13200-13700 ≥876 ≥11000 ≥955 ≥12000 342-366 43-46
N48 1360-1420 13600-14200 ≥836 ≥10500 ≥876 ≥11000 358-390 45-48
N50 1390-1450 13900-14500 ≥836 ≥10500 ≥876 ≥11000 374-406 47-51
N52 1420-1480 14200-14800 ≥796 ≥10000 ≥876 ≥11000 390-422 49-53
N35M 1180-1230 11800-12300 ≥868 ≥10900 ≥1114 ≥14000 263-287 33-36 ≤100
N38M 1220-1280 12200-12800 ≥899 ≥11300 ≥1114 ≥14000 287-310 36-39
N40M 1260-1310 12600-13100 ≥923 ≥11600 ≥1114 ≥14000 302-326 38-41
N42M 1280-1340 12800-13400 ≥923 ≥11600 ≥1114 ≥14000 318-342 40-43
N45M 1340-1390 13400-13900 ≥876 ≥11000 ≥1114 ≥14000 342-366 43-46
N48M 1360-1420 13600-14200 ≥876 ≥11000 ≥1114 ≥14000 366-390 46-49
N35H 1180-1230 11800-12300 ≥868 ≥10900 ≥1353 ≥17000 263-287 33-36 ≤120
N38H 1220-1280 12200-12800 ≥899 ≥11300 ≥1353 ≥17000 287-310 36-39
N40H 1260-1310 12600-13100 ≥923 ≥11600 ≥1353 ≥17000 302-326 38-41
N42H 1280-1340 12800-13400 ≥923 ≥11600 ≥1353 ≥17000 318-342 40-43
N45H 1330-1390 13300-13900 ≥923 ≥11600 ≥1353 ≥17000 342-366 43-46
N48H 1360-1420 13600-14200 ≥923 ≥11600 ≥1274 ≥16000 366-390 46-49
N33SH 1140-1190 11400-11900 ≥836 ≥10500 ≥1592 ≥20000 247-270 31-34 ≤150
N35SH 1180-1230 11800-12300 ≥868 ≥10900 ≥1592 ≥20000 263-287 33-36
N38SH 1220-1280 12200-12800 ≥899 ≥11300 ≥1592 ≥20000 287-310 36-39
N40SH 1260-1310 12600-13100 ≥923 ≥11600 ≥1592 ≥20000 302-326 38-41
N42SH 1280-1340 12800-13400 ≥923 ≥11600 ≥1592 ≥20000 318-342 40-43
N45SH 1330-1390 13300-13900 ≥923 ≥11600 ≥1592 ≥20000 342-366 43-46
N28UH 1030-1090 10300-10900 ≥780 ≥9800 ≥1990 ≥25000 207-231 26-29 ≤180
N30UH 1090-1140 10900-11400 ≥812 ≥10200 ≥1990 ≥25000 223-247 28-31
N33UH 1130-1170 11300-11700 ≥852 ≥10700 ≥1990 ≥25000 247-263 31-33
N35UH 1180-1220 11800-12200 ≥868 ≥10900 MINI UV Bulb

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