N40 Disc Neodymium Magnet for Speaker

March 30, 2021

Model NO.: N40
Tolerance: +/-0.05mm
Magnetism Direction: Thickness
Trademark: hzdunben
Transport Package: Standard Export Package with 32X24X26cm
Specification: Customizd
Origin: Hangzhou
HS Code: 85051190
1.Neodymium Magnet
Neodymium( NdFeB )magnets are the strongest type of rare earth magnet commercially available and are manufactured in a wide range of shapes, sizes and grades. 
 N40 Disc Neodymium Magnet for Speaker

2.Neodymium Magnet features
Material Sintered Neodymium-Iron-Boron (NdFeB)
Size Various kinds or according to customers' request
Shape Disc/ Customzsed  (block,disc,Cylinder, Bar, Ring,
Countersunk, Segment,hook,cup, Trapezoid, Irregular shapes ,etc)
Performance N52/Customised (N33 N35 N38 N40 N42 N45 N48 N50 N52 …...)
Coating Ni-Cu-Ni, Nickel / Customised (Zn,Ni-Cu-Ni,Ni,Gold, Silver, Copper, Epoxy, Chrome, etc)
Size tolerance ±0.05mm for diamater/thickness, ±0.1mm for width/length
Magnetization Thickness Magnetized, Axially Magnetized, Diametrally Magnetized, Multi-poles magnetized, Radial Magnetized. (Customzied specific requirements magnetized)
Max. Working 
Temperature		 Grade Max. Operating Temperatures
N35-N52 80°C (176°F)
33M- 48M 100°C (212°F)
33H-48H 120°C (248°F)
30SH-45SH 150°C (302°F)
30UH-40UH 180°C (356°F)
28EH-38EH 200°C (392°F)
28AH-35AH 220°C (428°F)
Applications Neodymium(NdFeB) Magnet are widely used in many fields, such as motors, 
sensors, microphones, wind turbines, wind generators,  printer, switchboard,packing box , 
loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, ect.
 
3.Neodymium Magnet Surface coatings
Surface Coating Thickness
(Microns)		 Color Resistance
Passivation   0-1 Silver Grey Temporary Protection
Nickel Ni+Ni 10-20 Bright Silver Excellent against Humidity
Ni+Cu+Ni
Zinc Zn 8-20 Bright Blue Good Against Salt Spray
C-Zn Shinny Color Excellent Against Salt Spray
Tin Ni+Cu+Sn 15-20 Silver Superior Against Humidity
Gold Ni+Cu+Au 10-20 Gold Superior Against Humidity
Copper Ni+Cu 10-20 Gold Temporary Protection
Epoxy Epoxy 15-25 Black, Red, Grey Excellent Against Humidity & Salt Spray
Ni+Cu+Epoxy
Zn+Epoxy
Chemical Ni 10-20 Silver Grey Excellent Against Humidity
Parylene Parylene 5-20 Grey Excellent Against Humidity, Salt Spray. 
Superior Against Solvents, Gases, 
Fungi and Bacteria.
N40 Disc Neodymium Magnet for Speaker
4.Neodymium Magnet package
a:32X24X26CM standard export package
b:G.W of each carton is no more than 13KG
N40 Disc Neodymium Magnet for Speaker

5.Neodymium Magnet delivery time
a:5-7days for sample
b:20-25days for large quantity

6.Qucik facts about Dunben
·Was established in 2004, as trading company
·Factory was founded in 2010
·Specialized in developing and producing Bonded Magnet and NdFeB Magnet
·Have more than 100 employees (including 8 technicians and 15 salesman and 20 quality control)
·Annual sales in 2016 is around 3 millions, export amount is around 2 millions
N40 Disc Neodymium Magnet for Speaker

7.My promise and contact details
a:100% new raw material (we promise all material is new,no second material)
b:100% most competitive price (I will try my best to get your ideal price)
c:100% shipment on time (i will iform u if any delay)
d:100% perfect service after sale (U can contact me any time if there is any questions after u get magnets)   
N40 Disc Neodymium Magnet for Speaker
 

Light Powder-actuated Fastening Tool is low velocity powder actuated, single shot, .22 caliber tool which is designed for light base  and concrete not harder than C40. 

FEATURES & APPLICATIONS



Features
  • One tool for a wide range of applications
  • Compact, sleek design – allows access to narrow spaces
  • Easy to use and maintain – minimizing errors and tool downtime
  • Consistent energy output over entire lifetime – delivering more reliable fastening quality
  • Maximum nail length 62 mm, or 72 mm for wood-to-concrete applications


Applications
  • Fastening formwork or formboard to concrete
  • Fastening sill plates or trusses to concrete
  • Ease to use and maintain – minimizing errors and tool downtime
  • Fastening wall-ties to concrete or steel
  • Fastening wire mesh (chicken mesh) to concrete
  • A wide variety of applications using collated fastener
  • Fastening wood and metal sheet to concrete, sand-lime block masonry or steel
  • Fastening 2x4s to concrete
  • Attaching drainage foils and membranes to concrete or CMU block
  • Fastening perimeter wall, deflection or slip clips to concrete and steel






Light Powder-actuated Fastening Tool

YIBIN CITY NANXI DISTRICT QIANGXIN PLASTIC CO.,LTD. , https://www.homsetfastening.com