Neodymium Disc Magnet - 25mm x 2mm | N42 | Epoxy Coating

Product code: 20007BE

$12.13for 1 to 9 items
$10.77buy 10 to 99 itemsand save 11%
$9.69buy 100+ itemsand save 20%
Total
$12.13

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Neodymium Disc Magnet - 25mm x 2mm | N42 | Epoxy Coating

Rated 5.0 out of 5
Based on 1 review
Product Code 20007BE
Pull Force* 3.7 kg
Weight 7 gm
Style Rare Earth Disc magnet
Coating Epoxy
Dimensions Height:2mm, Diameter:25mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This rare earth disc has a diameter of 25mm and a height of 2mm. It has a magnetic flux reading of 1043 Gauss and a pull force of 3.7kg. It is identified by the AMF magnet part number 20007BE.

Uses for our rare earth disc magnets:

The Epoxy coating that covers this Rare Earth Disc protects the encased magnet from damage and also provides protection for the surface it is applied to. This extends the life of the magnet when used in corrosive or collision-prone circumstances or where exposure to solvents or other degrading material occurs. The Epoxy can also maintain sterile or uncontaminated environments in Science laboratories or Medical research institutions where they are often used as remote mixing devices or for separating fluids. Although the plastic casing reduces the overall pull force that the magnet delivers, the stronger than average N42 Grade helps compensate for this reduction 

Other uses for this magnet include metal separation, water conditioning, metal detection, holding, magnetic therapy, tricks and illusions and protective cover closures.

average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by David
I recommend this product
Rated 5 out of 5
Review posted

Handy around the lab

I bought a few of these to stick notes to equipment in the lab. Strong enough to hold several sheets of paper and won't scratch equipment given the epoxy coating. Good buy.

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NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.