pvc clothing magnet fastener

Specifications magnet fastener

1.Round Pvc Magnet fastener

2.excellent performance

3.8 years alibaba gold supplier

 magnet fastener Magnet Size : D12.5*1.4mm,N35, Zinc coaitng  stell cover : D13*0.8mm , zinc coating PVC cover : Dia 27mm           Product Description  magnet fastener 1.material : sintered  NdFeN magnets 2.grade: N35-N52, N38M-N50M, N35H-N48H, N33SH-N44SH, N30UH-N40UH, N30EH-N35EH,               N28AH-N35AH 3.shape: ring, block ,arc.disc and as your requirement 4.size: customized 5.magnetization direction: thickness, axial, radial 6.surfaceing coating : Zn, Ni. double Ni. Ni+Cuz+Ni ,epoxy and so on   A. Advantage a. Chemical Composition: Nd2Fe14B: Neodymium Magnets are hard, brittle and easily corrode; b. Moderate Temperature Stability: Neodymium magnets lose -0.09~-0.13%of Br/°C. Their working    stability is under 80°C for low Hcj Neodymium magnets and above 220°C for high Hcj Neodymium    magnets; c. Excellet Strength Value: The highest(BH)max reaches up to 51MGO.   B.Application memo,toy,lab , sensors, speakers, brushless motor, DC motor, Step motor, wind turbine/wind generator,           magntic hooks, magnetic filter, cup magnet, Automobiles, magnetic coupling, magnetic chuch, permanent  magnetic lift, and so on.    C. the  physical properties

TEM	PROPERTY
Density	7.45g/cm3
Reversible Temp.Coeff	-0.11%/ oC
Curie Temperature	310~340oC
Hardness	600Hv
Resistivity	144 cm
Compressibility	9.8x10 -12m2/N
Tensile Strength	8.0kg/mm
Flexure Strength	25kg/mm
Specific Heat	0.12kCal(kg.oC )

Packaging & Shipping magnet fastener 's delivery and packing + delivery : 7--- 15 working day + packing :  Plastic bag -> Inner box -> Master carton: 29cm x 23cm x 14cm Plywood case (1) air package (2) sea package   surface treatment The corrosion resiatance of Ndfeb is considered ad its drawback ,in order to protect the corrosion ,  it is effective to coatted on  its surface , commonly surface trestment of magnet detail ad followed

Metallic :

white zinc , colur zinc , nickle, nickle + nickle , nickle + tin, nickle + copper + nickle , epoxy , passivation

characterisitics of surface treatment : magnet produce manufacturing magnet fastener a. the raw material are burdebed according to Ndfeb . b. the burdeded material are melted at a high temperature to form an alloy ( or stip casting ) in    vacuum induction furnace . c.the particles are placed in a magnetic field and pressed into any desired shape . d.the products are heat treated at a temperature of 1000 degress or higher in a sintering furnace.   and then aging the magnets to adjust the properties. e.the magnets are tested their magnetic properties . f. the manets are machined to the desired size and shape including surface treatment . g. visual inspection at last.     Company Information Sunny Fore Magnet  we are factory for magnet fastener, - Various Dimension & shaped : (up to client's demend) -Tolerance: +/-0.05mm - Coating: Ni, NiCuNi, Zn, Au, Ag, epoxy - Quality is pass RoHS(2002/95/EC)  & EN71/3, REACH - Delivery day is about 7-15 days. Magnet Packing workshop magnet making machine quality first : magnet testing sunny fore magnet co.,ltd   FAQ   FAQ : about  magnet fastener  !!    1. [ where is sunny fore magnet co.,ltd ?]     [ Helen reply :  we are the factory on Jiangmen city, Guangdong province , China . which is not     far from  Guangzhou . it noly take  you an hour form Guangzhou Sourth station to  our factory .]   2. [ what is your main product ]      [ Helen reply : our main product is sintered Ndfeb Magnet , bonded ndfeb magnet , Rubber Magnet,     Ferrite Magnet  and   more  the product has beed widely use ]   3.[ how do you control product 's qualtity  ? ]    [ Helen reply : with advanced testing equipment , we have a stonger R&D engineers team ready to    service for you ,.our company is approved by the ISO9001:2008 and ISO14001:2004 standard .]   4.[ if would like to make order, what info I tell you and how ]   [ Helen reply : please tell us the detail included size , grade , surface coating ,quantity by  email ,   alibaba trade manager or skype helen liang ]              

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