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5mm Neodymium Magnets Balls Neo Magnet Balls Rare Earth Magnets For Sale

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Local Area:	Ningbo, Zhejiang, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	Uskym
Model Number:	SM1401
Type:	Permanent
Composite:	Rare Earth Magnet

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rare earth magnet bracelet
NdFeBmagnet:
Neodymiumironboron(NdFeB)isatypeofrareearthmagneticmaterial.
NdFeBisthemostadvancedcommercializedpermanentmagnetmaterialavailabletoday.Thismaterialhassimilarpropertiesasthesamariumcobaltexceptthatitismoreeasilyoxidizedandgenerallydoesn'thavethesametemperatureresistance.
However,NdFeBmagnetshavethehighestenergyproductsapproaching52MGOeandaremechanicallystrongerthansamariumcobaltmagents.NdFeBmaterialismorecostlybyweightthanceramicoralnicobutproducesthehighestamountoffluxperunitofvolumeormassamkingitveryeconomicalformanyapplicantions.Theirhighenergyproductslendthemselvestocomnpactdesignsthatresultininnovativeapplicationsandlowermanufacturingcosts.UnprotectedNdFeBmagnetsaresubjecttocorronsion.Surfacetreatmentshasbendevelopedthatallowthemtobeusedinmostapplications.Thesetreatmentsincludecopper,silver,,gold,nickel,zincandtinplatingandepoxyresincoating.
BeneficialcharacteristicsofNdFeBmagnetsincludetheirveryhighenergyproduct,veryhighcoerciveforce,andmoderatetemperaturestability.Drawbacksincludelowermechanicalstrength,andlowcorrosionresistancewhennotproperlycoatedorplated.
MagneticGradesandTemperature:
TheGradeofamagentdirectlyreferstotheMaximumEnergyProductofthematerialthatcomposesthemagnet.Itinnowayreferstothephysicalpropertiesofthemagnet.Gradeisgenerallyusedtodescribe
how"strong"apermanentmagnetmaterialis.TheenergyproductsisspecifiedintheunitesGaussOersted.
OneMGOeis1,000,000GaussObersted.Agradeforty(N40)wouldhaveaMaximumEnergyProductof40MGOe.Thehigherthegradethe"stronger"themagnet.
Magneticmaterialshaveawiderangeofworkingtemperatures.Thefollowingchartthevariousmaterialsandtheirmaximumworkingtemperature.NdFeBmaterial
comesinmanydifferentheattolerancesbutastheheattoleranceincreasesthemaximumavailablefulxdensitydecreases:
Description
Magnet
Material:
NdFeB
WokingTemperature
Grade
Max.OperatingTemperature
N35-N52
80°c
33M-48M
100°c
33H-48H
120°c
30SH-45SH
150°c
30UH-40UH
180°c
28EH-38EH
200°c
28AH-35AH
220°c
MagnetShape:Black,Disc,Ring,Barandsoon;
Contactus:
Pleasedonohesitatetocontactwithusifyouhaveanyquestionsorrequestsonmagnet.
Youcaninquiryeitherbyemail/faxorinstantmessage
Wearepleasedtoofferyourserviceandrespondwithin12hours
SalesPersom:Tiffany
Tel:+86-574-88229324Ext810
Fax:+86-574-87687170
Skype:uskymag01

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