high energy strontium ferrite powder

Unimagnet manufacture strontium ferrite powder which be considered as a environment friendly magnetic material, lead free and ROHS warranty. The strontium ferrite are using to produce various kind of hard and flexible magnets more and more widely, especailly in fridge door magnetic extrusion and acoustic magnetic sheeting. Follows catalog is part of strontium ferrite powder, if you are looking for hard strontium ferrite powder, please refer to our product "Presintered magnetic powder". GradeMagnetic characteristicsGranularity(μmForming methodBr (mT)bHc KA/miHc KA/m(BH)max KJ/m3UMBS-3.2(Sr)2200±10150±8210±88.7±0.41.2-2.2Extrusion or CalenderingUMBS-4(Sr)180±5119±5183±86.0±0.41.1-1.4UMBS-4B(Sr)180±5111±5159±85.6±0.41.5-1.8UMBS-4C(Sr)180±5111±5159±85.6±0.41.8-2.1UMBS-5(Sr)200±10200±10167±1611.2±0.41.0-1.4UMBS-6(Sr)245±10159±8223±511.2±0.41.3-1.6Calendering orientationUMBS-7A(Sr)250±10175±8239±511.6±0.41.0-1.4UMBS-7C(Sr)250±5175±8255±1611.9±0.41.0-1.4Extrusion or CalenderingUMBS-8(Sr)265±5175±8283±1612.6±0.40.95-1.3