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Core Advantages
1 Extreme Thermal Stability
Temperature Grades Covers SH 150 UH 180 EH 200 and AH 220 series with minimal magnetic flux loss 3 after 1000 hours at rated temperature
High Intrinsic Coercivity Hcj Ranges from 1592 kAm SH to 2387 kAm AH resisting demagnetization under rapid temperature fluctuations 40 to 220
Elevated Curie Temperature Tc 310 ensuring no permanent performance degradation below critical thermal thresholds
2 Balanced Magnetic Performance
Energy Product 240360 kJm 3045 MGOe delivering strong magnetic force for hightorque motors and precision sensors
Remanence Br 105135 T maintaining consistent attraction force in highheat workflows eg engine turbochargers
Dimensional Precision Customizable sizes length 2200mm width 15100mm thickness 0550mm with tolerance as tight as 003mm fitting compact hightemperature assemblies
3 Durability Corrosion Resistance
Surface Treatments Standard NiCuNi plating salt spray resistance 48 hours optional epoxy coating 1000 hours salt spray or gold plating for aerospacegrade corrosion protection
Dense Sintered Structure Low porosity 2 prevents thermal oxidation and moisture intrusion extending service life in harsh environments

Core Features
Outstanding Magnetic Performance
Available in grades from N35 to N52, with maximum energy product ranging from 280 kJ/m (35 MGOe) to 400 kJ/m (50 MGOe). High remanence (1.17-1.45 T) and coercivity (876 kA/m) ensure strong and stable magnetic force.

Durable & Corrosion-Resistant
Surface treated with nickel-copper-nickel (Ni-Cu-Ni) plating as standard, with optional gold, silver, or epoxy coating. Effectively resists corrosion and wear, extending service life in harsh environments.

Precision Dimensions
Customizable block sizes (length: 2-250mm, width: 1.5-150mm, thickness: 0.5-50mm) with tight dimensional tolerance ±0.03mm to ±0.15mm depending on size), ensuring perfect fit for assembly.

Wide Operating Temperature Range
Standard grade (N series) operates at -40 to 80; high-temperature grades (M/H/SH/UH/EH) are available for environments up to 200, meeting diverse application requirements.

Technical Specifications
Parameter Detail
Material Sintered NdFeB (Neodymium Iron Boron)
Magnetic Grades N35, N38, N40, N42, N45, N48, N50, N52
Maximum Energy Product 280-400 kJ/m (35-50 MGOe)
Remanence (Br) 1.17-1.45 T
Coercivity (Hcb) 636 kA/m
Intrinsic Coercivity (Hcj) 876 kA/m (N grade)
Operating Temperature -40 to 80 (N grade); up to 200 (high-temp grades)
Surface Treatment Ni-Cu-Ni plating (standard); gold/silver/epoxy (optional)
Tolerance ±0.03mm (0.5-10mm); ±0.05mm (10-50mm); ±0.1mm (50-100mm); ±0.15mm (100-200mm)

Magnetic Writing and Drawing Board

Material: ABS+ Magnet

MOQ : 100 Pack

Business Type Distributor
Country of Origin India
Size Standard
Type Magnetic

Product Details

Material Metal, Plastic
Color Available in Many Colors
Technics Machine Made
Pattern Plain
Finishing Polished
Brand Name Office Mate

-Ferrite Magnet
-Multipole ring Magnet
-Motor Magnet
-NeFd Magnet
-Y30, 32 Magnet
-Impeller

Product name : Custom Super Strong permanent N5 Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35SH,N45SH,N30UH,N38EH
Tolerance in size : +/-0.1 mm

Product name : Alnico magnet Custom Super Strong permanent LNGT60 Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Cast Alnico Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Grade : LNG37 LNG44 LNGT28, LNGT40, LNGT72
Tolerance in size : +/-0.05 mm

Product name : Farm cow magnet, Custom Super Strong permanent N48 Neodymium Magnets for Stainless steel Cow Magnet
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35,N38,N40,N42,N45,N48,N50,N52
Tolerance in size : +/-0.1 mm

Product name : Cow magnet, Custom Super Strong permanent Y30BH Ferrite Magnets for farm cow magnet
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Ferrite Magnets are also available)
Direction of magnetisation : Through the thickness or through the diameter
Grade : Y30,Y30BH,C8
Tolerance in size : +/-0.1 mm

Product name : Disc magnet,Custom Super Strong permanent 38H Neodymium Arc Magnets for PM motor
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N48M,N35H,N38H,N38SH,N40SH,N33UH,N35EH
Tolerance in size : +/-0.1 mm

Product name : Disc magnet,Custom Super Strong permanent N42 Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35,N38,N42,N48,N52,N45M,N48M,N50M,N38H,N42H,N35SH,N42SH,N30UH
Tolerance in size : +/-0.1 mm

Product name : Disc magnet,Custom Super Strong permanent 45M Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : 45M,38H,N35SH,N30UH,N35EH
Tolerance in size : +/-0.1 mm

Product name : Custom Super Strong permanent 42M Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : 35M,38M,40M,42M,45M,48M,50M,35H,38H,40H,42H,45H
Tolerance in size : +/-0.1 mm

Product name : Custom Super Strong permanent N48 Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35,N38,N40,N42,N48,N50,N35M,N45M,N35SH,N38SH
Tolerance in size : +/-0.1 mm

Product name : Door magnet, Custom Super Strong permanent N35 Neodymium Magnets
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35,N38,N40,N42,N45,N48,N50,N52
Tolerance in size : +/-0.1 mm

Product name : Alnico magnet, LNG37
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Cast Alnico Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Grade : LNG37 LNG40 LNG4 LNGT40
Tolerance in size : +/-0.05 mm

Product name : Block magnet,Custom Super Strong permanent N42 Neodymium Magnets for mould magnet
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N42,N50,N45M,N50M,N35H,N42H,N38SH,N42SH,N33UH,N33EH
Tolerance in size : +/-0.1 mm

Product name : pot magnet
Custom Super Strong permanent N40 Neodymium Arc Magnets for pot magnet
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35,N38,N40,N42,N45,N48,N50,N52
Tolerance in size : +/-0.1 mm

Product name : rotor magnet,Custom Super Strong permanent 35UH Neodymium Arc Magnets for PM motor
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35SH,N45SH,N30UH,N38EH
Tolerance in size : +/-0.1 mm

Product name : Sensor magnetCustom Super Strong permanent 35M Neodymium Arc Magnets for PM motor
Shape:Segment, Disc, Cylinder/Rod, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB Magnet are also available)
Direction of magnetisation : Through the thickness or through the diameter
Type of coating : Nickel, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.
Grade : N35M,N40M,N45M,N42H,N48H,N35SH,N40SH,N33UH,N33EH
Tolerance in size : +/-0.1 mm