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Brand Number Kinds of Material Qualified Standard of Magnetic Performonce（Refers to Industrial Standard ST/T10410) Average Size(um) The Water Content of Magnetic Powder(%) Br(mT) bHc(KA/M) iHC(KA/M) (BH)max(KJ/m3) Inspect Patterm CF7B-1 Barium Ferrite ≥138 ≥95 ≥185 - Blank 1.3-1.6 ≤ 0.5 ≥180 ≥112 ≥185 ≥5.56 Calendaring     CF7B-3 Barium Ferrite ≥135 ≥95 ≥180 - Blank 2.2-3.0 ≤ 0.5 ≥175 ≥108 ≥180 ≥5.4 Calendaring     CF7S-1 Strontium Ferrite ≥135 ≥95 ≥185 - Calendaring 1.3-1.6 ≤ 0.5 ≥185 ≥112 ≥185 ≥5.58 Calendaring     CF7S-3 Strontium Ferrite ≥130 ≥95 ≥180 - Blank 2.2-3.0 ≤ 0.5 ≥180 ≥110 ≥180 ≥5.48 Calendaring     Note:The Product of our company is suuperior to industrial standard Can make Product in different specifications and performances according to the real need of the customers. PARAMETER VALUE SPECIFICATION MIN MAX 　　Fe2O3 99.130% 98.800 100.00 　　Al2O3 0.100%   0.100 　　MgO 0.020%     　　MnO 0.490%     　　CaO 0.045%     　　Cr2O3 0.051%     　　CuO 0.013%     　　Na2O 0.011%   0.040 　　NiO 0.013%     　　P2O5 0.043%     　　SiO2 0.078%   0.080 　　Chloride 0.140%   0.200 　　Moisture Content 0.300%   0.500 　　Average Particle Size 0.750 micron 0.500 1.000 　　Specific Surface Area(BET) 4.510 m2/g 2.750   　　Average Bulk Density 0.510 g/cm3 0.400 0.600