News | Transformer Aluminum Strip and Cable Aluminum Strip Industry Updates

High Purity Copper Foil for Transformer Windings

Haomei high-purity copper foil for transformer windings is made from C11000 electrolytic tough-pitch copper, features copper-plus-silver content of ≥99.90% and an electrical conductivity exceeding 100% IACS. Processed via soft-annealing (O-temper), it is

C1100 Copper Strip for Oil-Immersed Transformers

Made from electrolytic tough-pitch copper, C1100 copper strips feature electrical conductivity of ≥100% IACS and are supplied in O-temper (soft-annealed) state. Engineered with low impurity precipitation, making it ideally suited for oil-immersed operatin

Burr-Free Copper Strip for Transformer Windings

Haomei supply burr-free copper strips for transformer windings. Utilizing a precision edge-trimming process to completely eliminate edge burrs, which effectively suppress partial discharge and protect insulation layers, thereby improving winding manufactu

Rounded-Edge Copper Strip for Transformer Windings

Haomei Aluminum’s copper strips with rounded edges undergo a precision edge-rounding process that transforms the sharp, right-angled edges resulting from slitting into smooth, rounded contours, thereby enhancing winding insulation reliability and producti

High Conductivity Copper Strip For Transformer

Haomei Aluminum supply high-conductivity copper strips T2/C11000 for transformer windings. Through precision melting and annealing processes, the conductivity is enhanced to 100%–101% IACS, providing winding base materials characterized by low loss and hi

Why Copper Foil Best for Transformer Windings?

Copper foil is recognized as the optimal choice for transformer winding, this is the inevitable result of the close alignment between electrical conductivity, material properties, and the winding structure.