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{"title":"High Grade N35-N52 Neodymium Iron Boron Magnets In Speakers","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/7b\/3991160bb553cfadc2a7a3912646-200x200-1\/high_grade_n35_n52_neodymium_iron_boron_magnets_in_speakers.jpg","attrs":{"Brand Name":"UNMAG","Place of Origin":"China","Magnetic Flux Density":"High","Coating":"Nickel"}}
{"title":"N52 Highest Grade Neodymium Magnet","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/ba\/640ad48c4371be065bb79985ffdc-200x200-1\/n52_highest_grade_neodymium_magnet.jpg","attrs":{"Brand Name":"UNMAG","Place of Origin":"China","Price":"As negotiation","Material":"Neodymium"}}
Meta Title: Grade 35H–48H Neodymium Iron Boron Magnets | Industrial Strength | Fast Quote
Meta Description: High-performance Grade 35H–48H neodymium iron magnets deliver 11.7–14.3 kG remanence and 120 °C operation. Perfect for motors, sensors, and magnetic assemblies. ISO-certified, ±0.05 mm tolerance, global delivery.
Product Overview
When your application demands maximum holding force and thermal stability up to 120 °C, choose Grade 35H–48H neodymium iron boron (NdFeB) magnets. Sintered for industrial strength, these magnets provide 11.7–14.3 kG remanence and ≥ 17 kOe coercivity—ideal for servo motors, linear actuators, magnetic separators, and sensor assemblies.
Key Benefits
• Grade 35H–48H Range – balanced energy vs. temperature for 120 °C continuous use.
• Industrial Strength – >50× stronger than ceramic magnets at equal size.
• ±0.05 mm Precision – press-fit into rotors, no secondary machining.
• Multi-Coat Protection – Ni-Cu-Ni, epoxy, or parylene ≥ 500 h salt-spray.
• ISO-Certified Plant – ISO 9001 & ISO 14001, RoHS & REACH compliant.
• 7-Day Prototypes – laser-cut tooling, fast sintering cycle.
Technical Specifications (Schema Table)
Property
35H
42H
48H
Remanence (Br)
11.7–12.1 kG
12.9–13.3 kG
14.0–14.3 kG
Coercivity (Hcj)
≥ 17 kOe
≥ 17 kOe
≥ 17 kOe
Max Energy (BH)max
33–36 MGOe
40–43 MGOe
46–49 MGOe
Max Operating Temp
120 °C
Dimensions
1 mm³ – 200 mm³ blocks, OD ≤ 120 mm rings
Tolerance
±0.05 mm, ±0.1° angles
Coatings
Ni-Cu-Ni, Zn, black epoxy, parylene
Certifications
ISO 9001, ISO 14001, RoHS, REACH
Industrial Applications
• Servo & stepper motors – high torque, low cogging.
• Magnetic separators – strong holding force in compact housings.
• Linear actuators & sensors – precise positioning.
• Wind turbines & e-bikes – energy-dense, lightweight rotors.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2009
Total Annual:
4000000USD-5000000
Employee Number:
150~180
Ecer Certification:
Verified Supplier
XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to... XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to...