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Memo Magnet With Plastic Cup

1. Type: Office magnet / Memo magnet
2. Material: Neodymium magnet / Ferrite magnet + Plastic cup
3. Shape: Round

4. Dimensions: D20x7.5mm,D30x9.5mm

5. Grade of Magnet: N40

6. Surface Treatment: Nickel/Znic + Colorful plastic cup

7. Magnetized: Axial Magnetized

8. Max working Temp.: -40℃ to 80℃

  • Product Detail
  • Technical Specifications
Available dimensions of memo magnet with plastic cup

Model D(mm) H(mm) Wieght(g)
Hold A4
on white board
Magnet Type
D20 20 7.5 3 10 pieces NdFeB Magnet
D30 30 9.5 9 15 pieces NdFeB Magnet

We also provide plastic memo magnet with ferrite magnet,the diameter can be 10mm,20mm,30mm,40mm,welcome to contact us to discuss details.
Magnetic Properties Of Sintered Neodymium Magnet
Series Grade Max Operating Temp.   
Remanence Br
mT(KG)
Coercivity Hcb
KA/m(KOe)
Intrinsic Coercivity Hcj
KA/m(KOe) 
Maximium Energy Product
 (BH)max  KJ/m3 (MGOe) 
N Series N35 80 1170-1220
(11.7-12.2)
≥868≥10.9 ≥955≥12 263-287(33-36)
N38 80 1220-1250
(12.2-12.5)
≥899≥11.3 ≥955≥12 287-310(36-39)
N40 80 1250-1280
(12.5-12.8)
≥907≥11.4 ≥955≥12 302-326(38-41)
N42 80 1280-1320
(12.8-13.2)
≥915≥11.5 ≥955≥12 318-342(40-43)
N45 80 1320-1380
(13.2-13.8)
≥923≥11.6 ≥955≥12 342-366(43-46)
N48 80 1380-1420
(13.8-14.2)
≥923≥11.6 ≥955≥12 366-390(46-49)
N50 60 1400-1450
(14.0-14.5)
≥796≥10.0 ≥876≥11 382-406(48-51)
N52 60 1430-1480
(14.3-14.8)
≥796≥10.0 ≥876≥11 398-422(50-53)
N55 60 1470-1520
(14.7-15.2)
≥796≥10.0 ≥876≥11 414-438(52-56)

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