2 Gold Silver Rectangle Magnets Detect Rare Earth Metal Plating Tester Neodymium

$11.99 Buy It Now or Best Offer
free,30-Day Returns

Seller Store goldtestempire
(72519) 99.4%,

Location: Shippensburg, Pennsylvania
Ships to: US,
Item: 313895545005

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
California Prop 65 Warning:n/a
MPN:038293752
Unit Type:Unit
Suitable For:Identification/Testing
Country/Region of Manufacture:United States
Material:neodymium
Seller Warranty:Yes
Country of Manufacture:United States
Unit Quantity:1
GTE:GTE
Color:Gold
Set Includes:magnet
Type:GOLD TESTER

FREE FAST SHIPPING! Quantity 2: GTE™ Rectangular Neodymium Gold Silver Bullion Magnets – $15 Retail Value! Use the magnet to detect if the gold/silver item is plated! These rare and strong magnets assist in checking for base metal (non-precious metals containing nickel or iron) items. Most items attracted by a magnet will contain little/no precious metal such a gold or silver. With your purchase, the buyer agrees that he or she is responsible for all damages and injuries caused by or to the magnets. The buyer must agree with the terms before purchase. One should wear gloves and protective glasses when handling these magnets. These magnets are approximately 2″ x 1/2″ x 1/8″, and have a pull force of up to approximately 27 lbs. Magnet Terminology The terminology of magnetism is not widely understood. Rare Earth Neodymium magnets are a member of the rare earth family and are the most powerful permanent magnets in the world. They are also referred to as NdFeB magnets, or NIB, because they are composed mainly of Neodymium (Nd), Iron (Fe) and Boron (B). They are a relatively new invention and have only recently become affordable for everyday use. Grades of Neodymium N35, N38, N42, N38SH…what does it all mean? Neodymium magnets are all graded by the material they are made of. As a very general rule, the higher the grade (the number following the ‘N’), the stronger the magnet. The highest grade of neodymium magnet currently available is N52. Any letter following the grade refers to the temperature rating of the magnet. If there are no letters following the grade, then the magnet is standard temperature neodymium. The temperature ratings are standard (no designation) – M – H – SH – UH – EH. Platings/Coatings Neodymium magnets are a composition of mostly Neodymium, Iron and Boron. If left exposed to the elements, the iron in the magnet will rust. To protect the magnet from corrosion and to strengthen the brittle magnet material, it is usually preferable for the magnet to be coated. There are a variety of options for coatings, but nickel is the most common and usually preferred. Our nickel plated magnets are actually triple plated with layers of nickel, copper, and nickel again. This triple coating makes our magnets much more durable than the more common single nickel plated magnets. Some other options for coating are zinc, tin, copper, epoxy, silver and gold. Our gold plated magnets are actually quadruple plated with nickel, copper, nickel and a top coating of gold. Machining Neodymium material is brittle and prone to chipping and cracking, so it does not machine well by conventional methods. Machining the magnets will generate heat, which if not carefully controlled, can demagnetize the magnet or even ignite the material which is toxic when burned. It is recommended that magnets not be machined. Demagnetization Rare Earth magnets have a high resistance to demagnetization, unlike most other types of magnets. They will not lose their magnetization around other magnets or if dropped. They will however, begin to lose strength if they are heated above their maximum operating temperature, which is 176°F (80°C) for standard N grades. They will completely lose their magnetization if heated above their Curie temperature, which is 590°F (310°C) for standard N grades. Some of our magnets are of high temperature material, which can withstand higher temperatures without losing strength. Strength If you’ve never handled neodymium magnets before, you will be amazed at their strength. Neodymium magnets are over 10x stronger than the strongest ceramic magnets. If you are currently using ceramic magnets in your project, you could probably use a much smaller neodymium magnet and have greater holding force. Testing For Gold If using the magnet to test a piece for it’s gold purity, one of our kits with testing solutions is recommended to be used along with the magnet. The magnet alone will not ensure an item is gold. You will need the entire kit for 100% accuracy. The magnet will detect ferrous non gold metals that attract to a magnet. FAST SHIPPING! We ship orders within 24 hours RETURN POLICY: Most of the items we offer come with a long term manufacturer warranties but we also offer a 30 day no hassle return policy! Just send it back within 30 days and we’ll give you a full refund no questions asked! Please message me with any questions!

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