Laborious Ferrite Magnets - Standex Electronics

Exhausting ferrite magnets are produced with iron oxide and barium or strontium oxide. The raw materials are combined collectively and normally pre sintered, to generate the magnetic part. The pre sintered mixture then gets crushed. The resulting powder gets pressed together (wet or dry) either in a magnetic area (an - isotropic) or with no magnetic subject (isotropic) and in the long run sintered. Proceedings are only attainable by grinding. Due to the low value of the uncooked material, hard ferrite magnets are the most cost effective magnet sort accessible. Laborious ferrite magnets have very good electrical isolation results and are laborious to demagnetize even in strong exterior magnetic fields. Corrosion tendency is low, making them very suitable for liquid applications.

Yes. Generally, the stainless steel found in domestic and household white goods is not 100% pure stainless and contains some degree of ferrous metallic to which all Refrigerator neodymium sphere magnets Suppliers can attach. The upper the stainless steel content in the material used to manufacture your fridge the lower the ability of magnets to attach to it however for most refrigerator doors this is barely noticeable.

KJ Magnetics, magnets, sculpture kits.
Scitoys, magnets, floating graphite
EUROPE: Supermagnete, additionally in (Deutsch), (Francais)
DuraMag, http://www.duramag.com/rawmat/neosizes.htm, large cheap disks and blocks
Gaussboys
"Amazing Magnets"
Herbach & Rademan (mail order surplus) 800-848-8001 ($25 minimal purch)
http://www.herbach.com a science/electronics surplus provider, they carry a number of inexpensive odd-formed NIB magnets together with an especially sturdy 1" disk for $25.
Call for their current "this month" catalog