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Black Ferrite Ceramic Square Block Magnets Factory

Black Ferrite Ceramic Square Block Magnets Factory

Ferrite square magnets have high resistance to demagnetization, corrosion & oxidation.

  • Size :

    20x20x3mm
  • Color :

    Black
  • Order(MOQ) :

    100pcs
  • Lead Time :

    10-15days
  • Payment :

    Paypal/TT/Credit Card

Black Ferrite Ceramic Square Block Magnets Factory

Product Description

Black Ferrite Ceramic Square Block Magnets Factory

Size: 20x20x3mm

Tolerance: +/-0.05mm

Shape: Rectangular

Color: Black

Material: Ferrite

Magnetization Direction: Axial (through the thickness)

 

 

Notes:

Manual measurement, please allow slight errors on size.

The color May exist a slight differ.

 

 
Material Br Hcb Hcj (Bh)max
Mt Kg kA/m kOe kA/m kOe kJ/m3 MGOe
Y10T 200-235 2.0-2.35 125-160 1.57-2.01 210-280 2.64-3.52 6.5-9.5 0.8-1.2
Y20 320-380 3.2-3.8 135-190 1.7-2.38 140-195 1.76-2.45 18-22 2.3-2.8
Y22H 310-360 3.2-3.8 220-250 2.77-3.14 280-320 3.52-4.02 20.0-24 2.5-3.0
Y23 320-370 3.2-3.8 170-190 2.14-2.38 190-230 2.39-2.89 20.0-25.5 2.5-3.2
Y25 360-400 3.6-4.0 135-170 1.7-2.14 140-200 1.76-2.51 22.5-28.0 2.8-3.5
Y26H 360-390 3.6-3.9 220-250 2.77-3.14 225-255 2.83-3.21 23.0-28.0 2.9-3.5
Y27H 370-400 3.7-4 205-250 2.58-3.14 210-255 2.64-3.21 25.0-29.0 3.1-3.7
Y30 370-400 3.7-4 175-210 2.2-2.64 180-220 2.26-2.77 26.0-30.0 3.3-3.8
Y30BH 380-390 3.8-3.9 223-235 2.8-2.95 231-245 2.90-3.08 27.0-30.0 3.4-3.7
Y30-1 380-400 3.8-4.0 230-275 2.89-3.46 235-290 2.95-3.65 27.0-32.0 3.4-4.0
Y30-2 395-415 3.95-4.15 275-300 3.46-3.77 310-335 3.90-4.21 28.5-32.5 3.5-4.0
Y32 400-420 4.0-4.2 160-190 2.01-2.38 165-195 2.07-2.45 30.0-33.5 3.8-4.2
Y33 410-430 4.2-4.3 220-250 2.77-3.14 225-255 2.83-3.21 31.5-35.0 4.0-4.4
Y35 100-410 4.0-4.1 175-195 2.2-2.45 180-200 2.26-2.51 30.0-32.0 3.8-4.0

 

Grade 8 ceramic magnet material

The ferrite craft magnets has high demagnetization resistance, corrosion resistance and oxidation resistance.

Economical option for science projects, magnetic therapy and science teaching

ceramic magnets ideal for diy craft whiteboard

Strong Hold for Easy Organization
Tidy up your workspace effortlessly. These flat square ceramic magnets provide powerful holding force to keep tools, notes, or small parts firmly in place—no more clutter or slipping items. Perfect for workshops, offices, and laboratories where efficiency matters.
 
Reliable for Industrial & Scientific Applications
Strong square ferrite magnets offer excellent resistance to corrosion, oxidation, and rust—ideal for demanding industrial and scientific environments. Whether for machinery, sensors, or experimental setups, these magnets deliver consistent, long-lasting performance.

 

Packing&Shipping

block ferrite magnet oem factory

china block ferrite magnet

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