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High Temp N42 Medical Grade Magnets Ring Shape Permanent Multifunctional

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Star United Industry Co.,LTD

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High Temp N42 Medical Grade Magnets Ring Shape Permanent Multifunctional

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Brand Name :	STAR
Model Number :	M14-N42
Certification :	ISO9001, RoHS, MSDS, Patent certificate, Quality Certificate
Price :	$0.01~$496.00
Payment Terms :	T/T, Western Union, MoneyGram, Paypal, L/C, WECHAT
Supply Ability :	1000 tons per month
Delivery Time :	5~35 days as per customer's project and quantity

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High Temp N42 Medical Grade Magnets Ring Shape Permanent Multifunctional

High Temp N42 grade neodymium magnets, strong Medical Rare Earth NdFeB ring permanent magnet

Product FAQ

1. What are neodymium magnets? Are they the same as "rare earth"?
Neodymium magnets are a member of the rare earth magnet family. They are called "rare earth" because neodymium is a member of the "rare earth" elements on the periodic table. Neodymium magnets are the strongest of the rare earth magnets and are the strongest permanent magnets in the world.

2. What are neodymium magnets made from and how are they made?
Neodymium magnets are actually composed of neodymium, iron and boron (they are also referred to as NIB or NdFeB magnets). The powdered mixture is pressed under great pressure into molds. The material is then sintered (heated under a vacuum), cooled, and then ground or sliced into the desired shape. Coatings are then applied if required. Finally, the blank magnets are magnetized by exposing them to a very powerful magnetic field in excess of 30 KOe.

Product Grade specification

Grade	Remanece		Coercive Force (Hcb)		Intrinsic Coercivity		Max Energy		Curie	Coefficient TW
	Remanece				Intrinsic Coercivity		Max Energy		Tempreture
	Br				Hcj		(BH)max		TC
	T	KGs	KA/m	KOe	KA/m	Koe	KJ/m3	MGOe	℃	℃
N33	1.13-1.18	11.3-11.8	≥836	≥10.5	≥955	≥12	247-263	31-33	310	≤80
N35	1.18-1.23	11.8-12.3	≥868	≥10.9	≥955	≥12	263-287	33-36	310	≤80
N38	1.22-1.28	12.2-12.8	≥899	≥11.3	≥955	≥12	287-310	36-39	310	≤80
N40	1.26-1.31	12.6-13.1	≥923	≥11.6	≥955	≥12	302-326	38-41	310	≤80
N42	1.28-1.34	12.8-13.4	≥923	≥11.6	≥955	≥12	318-342	40-43	310	≤80
N45	1.33-1.38	13.3-13.8	≥923	≥11.6	≥955	≥12	342-366	43-46	310	≤80
N48	1.38-1.42	13.8-14.2	≥923	≥11.6	≥955	≥12	358-390	45-48	310	≤80
N50	1.40-1.45	14.0-14.5	≥836	≥10.5	≥876	≥11	382-406	48-51	310	≤80
N52	1.43-1.48	14.3-14.8	≥796	≥10.0	≥876	≥11	398-422	50-53	310	≤80
N35M	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1114	≥14	263-287	33-36	320	≤100
N38M	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1114	≥14	287-310	36-39	320	≤100
N40M	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1114	≥14	302-326	38-41	320	≤100
N42M	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1114	≥14	318-342	40-43	320	≤100
N45M	1.32-1.38	13.2-13.8	≥995	≥12.5	≥1114	≥14	342-366	43-46	320	≤100
N48M	1.36-1.43	13.6-14.3	≥1027	≥12.9	≥1114	≥14	366-390	46-49	320	≤100
N50M	1.40-1.45	14.0-14.5	≥1033	≥13.0	≥1114	≥14	382-406	48-51	320	≤100
N33H	1.14-1.19	11.4-11.9	≥836	≥10.5	≥1353	≥17	247-270	31-34	330	≤120
N35H	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1353	≥17	263-287	33-36	330	≤120
N38H	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1353	≥17	287-310	36-39	330	≤120
N40H	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1353	≥17	302-326	38-41	330	≤120
N42H	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1353	≥17	318-342	40-43	330	≤120
N45H	1.30-1.36	13.0-13.6	≥963	≥12.1	≥1353	≥17	326-358	43-46	330	≤120
N48H	1.37-1.43	13.7-14.3	≥995	≥12.5	≥1353	≥17	366-390	46-49	330	≤120
N30SH	1.08-1.13	10.8-11.3	≥810	≥10.2	≥1592	≥20	223-247	28-31	340	≤150
N33SH	1.13-1.17	11.3-11.7	≥844	≥10.6	≥1592	≥20	247-271	31-34	340	≤150
N35SH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥1592	≥20	263-287	33-36	340	≤150
N38SH	1.22-1.25	12.2-12.5	≥907	≥11.4	≥1592	≥20	287-310	36-39	340	≤150
N40SH	1.25-1.28	12.5-12.8	≥939	≥11.8	≥1592	≥20	302-326	38-41	340	≤150
N42SH	1.28-1.32	12.8-13.2	≥987	≥12.4	≥1592	≥20	318-342	40-43	340	≤150
N45SH	1.32-1.38	13.2-13.8	≥1003	≥12.6	≥1592	≥20	342-366	43-46	340	≤150
N28UH	1.02-1.08	10.2-10.8	≥764	≥9.60	≥1990	≥25	207-231	26-29	350	≤180
N30UH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥1990	≥25	223-247	28-31	350	≤180
N33UH	1.13-1.17	11.3-11.7	≥852	≥10.7	≥1990	≥25	247-271	31-34	350	≤180
N35UH	1.18-1.22	11.8-12.2	≥860	≥10.8	≥1990	≥25	263-287	33-36	350	≤180
N38UH	1.22-1.25	12.2-12.5	≥876	≥11.0	≥1990	≥25	287-310	36-39	350	≤180
N40UH	1.25-1.28	12.5-12.8	≥899	≥11.3	≥1990	≥25	302-326	38-41	350	≤180
N28EH	1.04-1.09	10.4-10.9	≥780	≥9.80	≥2388	≥30	207-231	26-29	380	≤200
N30EH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥2388	≥30	223-247	28-31	380	≤200
N33EH	1.13-1.17	11.3-11.7	≥836	≥10.5	≥2388	≥30	247-271	31-34	380	≤200
N35EH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥2388	≥30	263-287	33-36	380	≤200
N38EH	1.22-1.29	12.2-12.9	≥915	≥11.5	≥2388	≥30	287-318	36-40	380	≤200
N30AH	1.08-1.15	10.8-11.5	≥804	≥10.1	≥2786	≥35	223-255	28-32	380	≤230
N33AH	1.14-1.21	11.4-12.1	≥852	≥10.7	≥2786	≥35	247-279	31-35	380	≤230
NdFeB Surface coating:		Zinc plated	Ni-Cu-Ni plated	Silver plated	Nickel plated	Aurum plated	Epoxy coated	Phosphatsing	Parylene	other coating

Magnet coating

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