different types of silicon steel / electrical steel / CRGO / CRNGO Magnetic tape wound cores for transformer sensor etc. Material Property:  CRGO&CRNGO Material Brand:  Baosteel, NSC, JFE, TKS, POSCO, NLMK Material Thickness:  0.05mm, 0.08mm, 0.1mm, 0.23mm, 0.27mm, 0.3mm, and 0.35mm. Certificate:  RoHS 2011/65/EU Technics:  tape winding Products Frequency:  50-5K HZ Products Shapes:  C E O & Customized Mechanical Properties:  low power loss per cycle / low core loss / high permeability Application:  transformer, sensor and magnetic components of electronic equipment; Automobile Sensor, Solar Inverter, Smart Home CRGO Tape wound Cores wind one long continuous silicon steel tape tightly into a spiral advantage: no air gap, high magnetic properties, easy to roll weakness: difficult to wind large cores and realize mechanized Welding ：Spot welding is firm and smooth, and does not weld through two layers Winding ：winding is tight, the start and end of the sheet can not be turned up Planeness ：surface unevenness is less than 0.1mm Fineness ：No crystalline fine particles (no crystalline fine particles on the cut surface) Cut face ：No obvious crack on the cutting face (no light transmission and peeling between layers) Surface ：Visually without burrs, rust, or deformation (to control deformation within tolerances) Products ：Do not contain Pb\Cd\Hg\Cr\PBBs\PBDEs