品名：燒結(jié)釹鐵硼揚(yáng)聲器磁鐵
材料牌號：NdFeB
密度：7.5g/cm3
形狀：圓環(huán)
用途：各類高低品質(zhì)的音響、揚(yáng)聲器
交期：7-25天（根據(jù)實(shí)際定單來定）

特點(diǎn)：
1.尺寸精確、成形自由
2.磁性均勻，磁性能極高
3.容易氧化，耐腐蝕性差，需要表面處理，如鋅、鎳、環(huán)氧等
4.易于大批量生產(chǎn)


生產(chǎn)控制流程：

性能參數(shù)表：

材料牌號 Grade	剩磁? Br:KGs(mT)	磁感應(yīng)強(qiáng)度矯頑 力Hcb:Koe(KA/m)	磁極化強(qiáng)度頑力 Hcj:Koe(KA/m)	?最大磁能積 (BH)max:MGOe(KJ/M3)	工作溫度 (Tw):℃
N35	11.8-12.2(1180-1220)	≥ 10.8(860)	≥ 12.0(955)	33-36(262-286)	≤ 80
N38	12.2-12.6(1220-1260)	≥ 10.8(860)	≥ 12.0(955)	36-39(286-310)	≤ 80
N40	12.6-12.9(1260-1290)	≥ 11.0(876)	≥ 12.0(955)	38-40(302-318)	≤ 80
N42	12.9-13.3(1290-1330)	≥ 11.0(876)	≥ 12.0(955)	40-43(318-343)	≤ 80
N45	13.3-13.7(1330-1370)	≥ 11.0(876)	≥ 12.0(955)	43-46(343-366)	≤ 80
N48	13.7-14.0(1370-1400)	≥ 10.8(860)	≥ 12.0(955)	46-49(366-390)	≤ 80
N50	14.0-14.4(1400-1440)	≥ 10.5(836)	≥ 12.0(955)	48-50(382-398)	≤ 80
N52	14.2-14.5(1420-1450)	≥ 10.5(836)	≥ 12.0(955)	50-52(398-413)	≤ 80
N35M	11.8-12.2(1180-1220)	≥ 10.8(860)	≥ 14.0(1114)	33-36(262-286)	≤ 100
N38M	12.2-12.6(1220-1260)	≥ 11.0(876)	≥ 14.0(1114)	36-39(286-310)	≤ 100
N40M	12.6-12.9(1260-1290)	≥ 11.4(910)	≥ 14.0(1114)	38-40(302-318)	≤ 100
N42M	12.9-13.3(1290-1330)	≥ 11.8(938)	≥ 14.0(1114)	40-43(318-343)	≤ 100
N45M	13.3-13.7(1330-1370)	≥ 11.8(938)	≥ 14.0(1114)	43-46(343-366)	≤ 100
N48M	13.7-14.0(1370-1400)	≥ 11.8(938)	≥ 14.0(1114)	46-49(366-390)	≤ 100
N50M	14.0-14.4(1400-1440)	≥ 11.5(915)	≥ 14.0(1114)	48-50(382-398)	≤ 100
N35H	11.8-12.2(1180-1220)	≥ 11.0(876)	≥ 17.0(1353)	33-36(262-286)	≤ 120
N38H	12.2-12.6(1220-1260)	≥ 11.0(876)	≥ 17.0(1353)	36-39(286-310)	≤ 120
N40H	12.6-12.9(1260-1290)	≥ 11.5(915)	≥ 17.0(1353)	38-40(302-318)	≤ 120
N42H	12.9-13.3(1290-1330)	≥ 11.8(938)	≥ 17.0(1353)	40-43(318-343)	≤ 120
N45H	13.3-13.7(1330-1370)	≥ 11.8(938)	≥ 17.0(1353)	43-46(343-366)	≤ 120
N48H	13.7-14.0(1370-1400)	≥ 12.2(938)	≥ 17.0(1353)	46-49(366-390)	≤ 120
N35SH	11.8-12.2(1180-1220)	≥ 11.0(876)	≥ 20.0(1593)	33-36(262-286)	≤ 150
N38SH	12.2-12.6(1220-1260)	≥ 11.0(876)	≥ 20.0(1593)	36-39(286-310)	≤ 150
N40SH	12.6-12.9(1260-1290)	≥ 11.5(915)	≥ 20.0(1593)	38-40(302-318)	≤ 150
N42SH	12.9-13.3(1290-1330)	≥ 11.8(938)	≥ 20.0(1593)	40-43(318-343)	≤ 150
N45SH	13.3-13.7(1330-1370)	≥ 11.8(938)	≥ 20.0(1593)	43-46(343-366)	≤ 150
N30UH	10.8-11.4(1180-1140)	≥ 10.1(804)	≥ 25.0(1990)	28-31(223-246)	≤ 150
N33UH	11.3-11.7(1130-1170)	≥ 10.3(820)	≥ 25.0(1990)	30-33(239-262)	≤ 180
N35UH	11.8-12.2(1180-1220)	≥ 11.0(876)	≥ 25.0(1990)	33-36(262-286)	≤ 180
N38UH	12.2-12.6(1220-1260)	≥ 11.2(892)	≥ 25.0(1990)	36-39(286-310)	≤ 180
N40UH	12.6-12.9(1260-1290)	≥ 11.5(915)	≥ 25.0(1990)	38-40(302-318)	≤ 180
N42UH	12.9-13.3(1290-1330)	≥ 11.8(938)	≥ 30.0(2388)	40-43(318-343)	≤ 180
N30EH	10.8-11.4(1180-1140)	≥ 10.1(804)	≥ 30.0(2388)	28-31(223-246)	≤ 200
N33EH	11.3-11.7(1130-1170)	≥ 10.3(820)	≥ 30.0(2388)	30-33(239-262)	≤ 200
N35EH	11.8-12.2(1180-1220)	≥ 11.0(876)	≥ 30.0(2388)	33-36(262-286)	≤ 200
N38EH	12.2-12.6(1220-1260)	≥ 11.2(892)	≥ 30.0(2388)	36-39(286-310)	≤ 200
N30AH	10.8-11.4(1180-1140)	≥ 10.1(804)	≥ 35.0(2785)	28-31(223-246)	≤ 220
N33AH	11.3-11.7(1130-1170)	≥ 10.3(820)	≥ 35.0(2785)	30-33(239-262)	≤ 220
N35AH	11.8-12.2(1180-1220)	≥ 11.0(876)	≥ 35.0(2785)	33-36(262-286)	≤ 220

其它物理性能：

居里溫度 Curie Temperature	310℃ - 340℃
密度 Density	7.5 g/cm3
硬度 Rigidity	0.64 N/m
彎曲強(qiáng)度 Flexural Strength	25 kg/mm
拉伸強(qiáng)度 Tensile Strength	8.0 kg/m
導(dǎo)熱系數(shù) Thermal Conductivity	7.7 kcal/m.h.℃