 | 100 x Cylinder Neodymium Rare Earth Magnets (3mm x 5mm) [Brand new] | Item number: 68782594 |
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 | FRENERGY MAGNETS |  |
 | DESCRIPTION |  |
You are buying 100 rare earth magnets. Magnet Information: - Diameter: 3mm (0.118" in.)
- Height: 5mm (0.196" in.)
- Grade: N45
- Coating: Nickel (Ni)
- Magnetized Direction: Through height - 5mm
Explanation of coatings: Coatings do not affect the magnetic performance but should be chosen for the magnets intended use. - Nickel - silver shiny finish, good corrosive properties, used for industrial applications, crafts, experiments, science, very durable coating. Direct skin applications over time may irritate
- Gold - gold coating over nickel, direct skin applications, low durability
- Epoxy - plastic like coating, excellent corrosion properties, least durable, various colours
- Tin - shiny and dull grey spirals, not a common coating
- Zinc - dull grey in colour, higher corrosion compared to nickel
If you need advice please ask me, I am an Engineer and can offer sound advice unlike many others selling similar products. I can also offer some sound direction regarding the benefits of magnets for health. **Please note: Unless your using these magnets for very technical scientific purposes you cant tell the difference between N42 and say N45 for magnets of the same size and quality. Some Sellers selling similar items claim differences of 20%, however this is very misleading. The difference between N42 and N44 is less than 3%. Magnetic performance also depends on the quality of materials and manufacturing process. When comparing magnets, you need to look at the amount of mass each magnet has, not just the Gauss rating, rule of thumb: The bigger the magnet, the stronger it is. See table below when comparing magnets of the same size: | Max Energy Product | Residual Induction | Coercive Force | Intrinsic Coercive Force | | (BH)max | Br | Hc | Hci | | (MGOe) | (gauss) | (oersteds) | (oersteds) | | 32 | 11600 | 11100 | 31000 | | 34 | 11960 | 11500 | 22250 | | 36 | 12200 | 11700 | 26000 | | 38 | 12400 | 12000 | 23000 | | 40 | 12900 | 12400 | 23000 | | 42 | 13100 | 12700 | 15000 | | 44 | 13500 | 13000 | 15000 | | 48 | 13750 | 10300 | 11000 | | 50 | 14100 | 10300 | 11000 | - There is no such thing as a single or monopole magnet......yet
- If you apply heat to magnets they WILL lose some of their strength
- There is no indication that magnetic fields harm the body, in fact many people believe magnetic therapy is very beneficial.
These magnets are very versatile and can be used for anything including science experiments, art and craft accessories, engineering, hobbies, jewellery, magnetic therapy, or anything you choose. Useful for any purpose where you need to join bits together. Be careful of the larger magnets, they BITE!! J If you require a custom size please email me. We have disc, ring, block, cube, sphere, cylinders, singing magnets, health magnets and patches, magnetic tools, and magnetic toys and more. We are the magnet specialists. WE WILL NOT BE BEATEN ON PRICE, SERVICE OR SOUND ADVICE IMPORTANT SAFETY NOTICE To clean magnets, clean with soapy water and damp cloth, rinse cloth then wipe magnets again. Our magnets are very powerful. The larger magnets can quickly snap together. Please use cation and keep fingers and other body parts well clear of separated magnets If using our magnets for medical purposes and health benefits, please consult your doctor People with pacemakers, insulin pumps and other medical implants or devices should consult their doctor before using or handling our magnets. Our magnets should not be used by children to avoid risk of accidental swallowing or injury. Do not cut or grind the magnets as the magnetic material is explosive To separate magnets, carefully slide them apart instead of attempting to pull them apart. Larger magnets may require special tools to separate and to hold them in place. Keep larger magnets more than 30cm (1 foot) away from each other to avoid the risk of them smashing together. If not handled correctly any size magnet may break, crack, chip or shatter Please use protective eye cover when handling the magnets Keep magnets away more than 30cm (1 foot) away from credit cards, software, or any other magnetic storage media. The strong magnets can wipe the information clear. |
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 | SHIPPING & HANDLING |  |
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Buyer pays for shipping expensesSeller will ship internationally |
Domestic: |
International: |
Shipping and Handling Costs: 7.50 AUD
Type of Service: Australia Post Regular™
Shipping & Payment Details: Items are posted within 48 hours (2 business days) after payment is received or cheques are cleared. Nearly all of our products are wrapped in metal for protection of magnets and to shield magnetic field to comply with Australia Post Guidelines for posting magnets. Postage price includes the Handling price for the cost and materials to correctly package the magnets. If you want registered, insured, express post, Courier (TNT only) please email us to arrange revised postage quote.
Postage prices shown are for Australian customer, overseas deliveries must contact us to arrange a quote.
Delivery time using Australia Post to capital cities and major regional centres take 3-5 business days (5-7 days for Perth).
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See Item Description or Shipping & Handling Details
Shipping & Payment Details: Postage prices shown are for Australian customer, overseas deliveries must contact us to arrange a quote. |
*Sellers are not responsible for service transit time. Transit times are provided by the carrier, exclude weekends and holidays, and may vary with package origin and destination, particularly during peak periods. |
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