For the Christmas and New Year's Day holidays, orders placed after 1:00PM EST on Friday, 12/21 will be shipped on Wednesday, 12/26. Orders placed after 1:00PM EST on Friday, 12/28 will be shipped on Wednesday, 1/2/19.

UPS and USPS do not guarantee delivery times through the end of the year. This may include an extra day in ground shipping and later delivery for overnight services.

Canada: Postal shipping delays are possible from the Canada Post strike.
We are now required to collect sales tax in several states. If your business is tax exempt, learn more here.
 
All orders placed & paid online by 1PM ET (M-F) will be shipped the same day!
Details

Demagnetization (BH) Curves for Neodymium Magnets

What is a demagnetization curve?

A demagnetization curve describes the magnetic qualities of a magnet more completely than a single number like Pull Force or Surface Field. It provides information about the strength of the magnet, how hard it is to demagnetize, and how a magnet's shape (or use in a magnetic circuit) affects matters.

Click the button at right for a further explanation of demagnetization curves.

Grade:
Graph Size:
           

Draw a load-line and operating point on the graph.*
Need to extract datapoints from the curves above?
December
Specials

TIN1
10% Off
Our Popular Deluxe Magnet Kit

An attractive holiday gift for your favorite magnet enthusiast.

XMAS1
10% Off
XMAS1 & XMAS2
Magnetic Thumbtacks

WPH-LG
10% Off
WPH-LG

Magnetic Hook
Great for holding a wreath to a steel door!


Order by phone:
1-888-SHOP-KJM
(1-888-746-7556)
or 215-766-8055

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K&J Magnetics, Inc.
Your online source for incredibly powerful neodymium magnets