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The ring magnet comes with black Epoxy coating and is rated to a higher working temperatures of up 120 degrees.
Size :
customColor :
BlackOrder(MOQ) :
10pcsCoating :
Epoxy coatedLead Time :
3-15daysPayment :
Paypal/TT/Credit CardHigh Performance Epoxy Coating Neodymium Ring Magnets
Product Description
Dimensions: custom
Tolerances: ±0.004" x ±0.004"
Plating/Coating: Black epoxy coated
Magnetization Direction: Axial (Poles on Flat Ends)
Warnings:
Keep away from pacemakers and children
If damaged please dispose of completely
Specification
Neodymium | Br | Hcb | Hcj | (Bh)max | Tw | ||||
Grade | mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | ℃ |
N35 | 1170-1220 | 11.7-12.2 | >868 | >10.9 | >955 | >12 | 263-287 | 33-36 | <80 |
N38 | 1220-1250 | 12.2-12.5 | >899 | >11.3 | >955 | >12 | 287-310 | 38-39 | <80 |
N40 | 1250-1280 | 12.5-12.8 | >907 | >11.4 | >955 | >12 | 302-326 | 38-41 | <80 |
N42 | 1280-1320 | 12.8-13.2 | >915 | >11.5 | >955 | >12 | 318-342 | 40-43 | <80 |
N48 | 1380-1420 | 13.8-14.2 | >923 | >11.6 | >955 | >12 | 366-390 | 46-49 | <80 |
N50 | 1400-1450 | 14.0-14.5 | >796 | >10 | >876 | >11 | 382-406 | 48-49 | <80 |
N52 | 1430-1480 | 14.3-14.8 | >796 | >10 | >876 | >11 | 398-422 | 50-53 | <80 |
35M | 1170-1220 | 11.7-12.2 | >868 | >10.9 | >1114 | >14 | 263-297 | 33-36 | <100 |
38M | 1220-1250 | 12.2-12.5 | >899 | >11.3 | >1114 | >14 | 297-310 | 36-39 | <100 |
40M | 1250-1280 | 12.5-12.8 | >923 | >11.6 | >1114 | >14 | 302-326 | 38-41 | <100 |
42M | 1280-1320 | 12.8-13.2 | >955 | >12 | >1114 | >14 | 318-342 | 40-43 | <100 |
48M | 1360-1430 | 13.6-14.3 | >1027 | >12.9 | >1114 | >14 | 366-390 | 46-49 | <100 |
50M | 1400-1450 | 14.0-14.5 | >1033 | >13 | >1114 | >14 | 382-406 | 48-51 | <100 |
33H | 1130-1170 | 11.3-11.7 | >836 | >10.5 | >1353 | >17 | 247-271 | 31-34 | <120 |
35H | 1170-1220 | 11.7-12.2 | >868 | >10.9 | >1353 | >17 | 263-287 | 33-36 | <120 |
38H | 1220-1250 | 12.2-12.5 | >899 | >11.3 | >1353 | >17 | 287-310 | 36-39 | <120 |
40H | 1250-1280 | 12.5-12.8 | >923 | >11.6 | >1353 | >17 | 302-326 | 38-41 | <120 |
42H | 1280-1320 | 12.8-13.2 | >955 | >12 | >1353 | >17 | 318-342 | 40-43 | <120 |
45H | 1300-1360 | 13-13.6 | >963 | >12.1 | >1353 | >17 | 326-358 | 43-46 | <120 |
48H | 1370-1430 | 13.7-14.3 | >995 | >12 | >1353 | >17 | 366-390 | 46-49 | <120 |
30SH | 1080-1130 | 10.8-11.3 | >804 | >10.1 | >1592 | >20 | 223-247 | 28-31 | <150 |
33SH | 1130-1170 | 10.3-11.7 | >844 | >10.6 | >1592 | >20 | 247-271 | 31-34 | <150 |
35SH | 1170-1220 | 11.7-12.2 | >876 | >11 | >1592 | >20 | 263-287 | 33-36 | <150 |
38SH | 1220-1250 | 12.2-12.5 | >907 | >11.4 | >1592 | >20 | 287-310 | 36-39 | <150 |
40SH | 1240-1280 | 12.5-12.8 | >939 | >11.8 | >1592 | >20 | 302-326 | 36-41 | <150 |
42SH | 1280-1320 | 12.8-13.2 | >987 | >12.4 | >1592 | >20 | 318-342 | 40-43 | <150 |
45SH | 1320-1380 | 13.2-13.8 | >1003 | >12.6 | >1592 | >20 | 342-366 | 43-46 | <150 |
28UH | 1020-1080 | 10.2-10.8 | >764 | >9.6 | >1990 | >25 | 207-231 | 26-29 | <180 |
30UH | 1080-1130 | 10.8-11.3 | >812 | >10.2 | >1990 | >25 | 223-247 | 28-31 | <180 |
33UH | 1130-1170 | 11.3-11.7 | >852 | >10.7 | >1990 | >25 | 247-271 | 31-36 | <180 |
35UH | 1170-1220 | 11.8-12.2 | >860 | >10.8 | >1990 | >25 | 263-287 | 33-36 | <180 |
38UH | 1220-1250 | 12.2-12.5 | >876 | >11 | >1990 | >25 | 287-310 | 36-39 | <180 |
40UH | 1250-1280 | 12.5-12.8 | >899 | >11.3 | >1990 | >25 | 302-326 | 31-41 | <180 |
28EH | 1040-1090 | 10.4-10.9 | >780 | >9.8 | >2388 | >30 | 207-231 | 26-29 | <200 |
30EH | 1080-1130 | 10.8-11.3 | >812 | >10.2 | >2388 | >30 | 223-247 | 28-31 | <200 |
33EH | 1130-1170 | 11.3-11.7 | >836 | >10.5 | >2388 | >30 | 247-271 | 31-36 | <200 |
35EH | 1170-1220 | 11.7-12.2 | >876 | >11 | >2388 | >30 | 263-287 | 33-36 | <200 |
38EH | 1220-1250 | 12.2-12.5 | >899 | >11.3 | >2388 | >30 | 287-310 | 36-39 | <200 |
28AH | 1040-1090 | 10.4-10.9 | >787 | >9.9 | >2642 | >33 | 207-231 | 26-29 | <230 |
30AH | 1080-1130 | 10.8-11.3 | >819 | >10.3 | >2642 | >33 | 223-247 | 28-31 | <230 |
38AH | 1130-1170 | 11.3-11.7 | >843 | >10.6 | >2642 | >33 | 247-271 | 31-34 | <230 |
Epoxy coating is excellent as a barrier for salt air and salt water, which can prevent the magnet from rusting and prolong the life of the rare earth ring shape magnet.
The main industries black ring neodymium magnets being used are marine, motor, sensors, consumer products, and automotive.
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