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Black Epoxy

Item No.:

B002


Category:

Summary


Hongrui is a high-tech enterprise engaged in the research, production, application and development of rare earth NdFeB permanent magnet materials

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Description


NdFeB magnet material, as the latest result of the development of rare earth permanent magnet materials, is known as "Magnetoking" because of its excellent magnetic properties. NdFeB magnetic material is an alloy of neodymium, iron oxide, etc. Also known as magnet. NdFeB has extremely high magnetic energy product and correction force, and the advantages of high energy density make NdFeB permanent magnet materials widely used in modern industry and electronic technology, so that instrumentation, electroacoustic motors, magnetic separation magnetization and other equipment miniaturization, lightweight, thinning is possible. The advantages of NdFeB are high cost performance and good mechanical properties; The disadvantage is that the Curie temperature point is low, the temperature characteristics are poor, and it is easy to pulverize and corrode, and it must be improved by adjusting its chemical composition and adopting surface treatment methods to meet the requirements of practical applications.

Available Coatings Of Sintered NdFeB Magnets

Coating

Thickness

Color

PCT

SST

Characteristic

Zn

4-8μm

Bright Blue

 

>24H~48H

Regular Protection,

Applicable to most products

Colored Zn

4-8μm

Shining Color

 

>48H~72H

Excellent salt spray resistance

NiCuNi

10-20μm

Bright Silver

>48H~72H

>24H~72H

Excellent humidity,

heat &salt spray resistance

Electroless Nickel

10-30μm

Bright Silver

>72H

>96H

Excellent humidity,

heat &salt spray resistance

Black Nickel

10-20μm

Bright Black

>72H

>48H~96H

Excellent humidity,

heat &salt spray resistance

Sn

10-25μm

Silver

>48H

>36H~72H

Excellent humidity,

heat &salt spray resistance

Epoxy

10-30μm

Black or Grey

 

>72H~108H

Excellent humidity, heat &salt spray resistance, excellent adhesion

Phosphated/Passivation

≤1μm

Dark Grey

 

≤2.5H

Emerge in 3%NaCliquor

Temporary Protection

Everlube

8-20μm

Yellow

>72H

>96H

Excellent salt spray resistance, Excellent adhesion

Golden

10-15μm

Golden

>48H

>12H

Good looking

Notes: For different products, the salt spray test and PCT time varies with the shape and size of the product.

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