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 ï¼?Spot welding is firm and smooth, and does not weld through two layers Winding ï¼?winding is tight, the start and end of the sheet can not be turned up Planeness ï¼?surface unevenness is less than 0.1mm Fineness ï¼?No crystalline fine particles (no crystalline fine particles on the cut surface) Cut face ï¼?No obvious crack on the cutting face (no light transmission and peeling between layers) Surface ï¼?Visually without burrs, rust, or deformation (to control deformation within tolerances) Products ï¼?Do not contain Pb\Cd\Hg\Cr\PBBs\PBDEs