n52 neodymium magnet for sale bracelet magnetic clasp 60

Specifications

Material

Neodymium-Iron-Boron

Performance Grade

N35 N38 N40 N42 N48 N52

Size 

customized

Surface

Nickel or customized (can build all kinds of coatings--Silver, gold ,Znic ,Epoxy) 

Tolerance

± 0.05- ± 0.1mm

Magnetization

Thickness (Poles on Flat Ends)

Operating Temperature

Maximum 80 ° C (can be customized temperature) 

Note

1. Be careful fragile and clip hand.
2. Placed in a dry place, stored at room temperature!
3. When connecting two magnets, must be careful draw them, close to each other slowly and gently. Hard crushing would cause damage and cracks in the magnetic material.

Shape

Block/Rectangle/Square 

Disc/Round/Cylinder

Ring/Countersunk 

Dimension

L (?) x W(? ) xT(?)

D(?) x T(?)

OD(?) x ID(?) x T(?)

For other shapes,please tell more in details or drawing would be much appreciated.

Coating

Zn,Nickel,Ni-Cu-Ni,Epoxy,Au,Silver or other ?

Working Temperature

Normal or High temperature ?

Surface

Coating

Thickness (Microns)

Color

Resistance

Passivation

0-1

Silver Grey

Temporary Protection

Nickel

Ni+Ni

10-20

Bright Silver

Excellent against Humidity

Ni+Cu+Ni

Zinc

Zn

8-20

Bright Blue

Good Against Salt Spray

C-Zn

Shinny Color

Excellent Against Salt Spray

Tin

Ni+Cu+Sn

15-20

Silver

Superior Against Humidity

Gold

Ni+Cu+Au

10-20

Gold

Superior Against Humidity

Copper

Ni+Cu

10-20

Gold

Temporary Protection

Epoxy

Epoxy

15-25

Black, Red, Grey

Excellent Against Humidity & Salt Spray

Ni+Cu+Epoxy

Zn+Epoxy

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity

Parylene

Parylene

5-20

Grey

Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria.