Home > Toyo Kohan in Your Everyday Life > Crown Cap (Hi-Top)
Hi-Top is a material developed from tinplate, and Toyo Kohan was the first company in the world to be able to commercialize such a product. Hi-Top is tin-free steel, that is, it is steel sheet that does not use tin in the electroplating process. The electrolytic chromic acid process is used form a uniform and thin film on the steel sheet. Hi-Top has excellent corrosion-resistance and easily accepts paint, and it is used for a wide range of products, including crown caps, the white caps used for jars, and printing plate material.
Click here to see the product information of Hi-Top.