EI lamination (silicon steel product) 1. Of International Standard. 2. Size: EI-24 to EI240 3. Used for transformers. EI lamination (silicon steel product):1) Specifications: EI24, EI-28, EI-30, EI-35, EI-41, EI-41-2H, EI-48, EI-48-2H, EI-54,EI-57, EI-57-2H / 4H, EI-60, EI-66, EI-66-4H, EI68-4H, EI-76.2, EI-76.2-4H, EI-85.8, EI-85.8-4H, EI-96, EI-96-4H, EI-105-4H, EI-120-4H, EI126-4H, EI-133.2-4H ...