SW-175 Rusted Iron (Matte)Cone 6: Rusted Iron is a semi matte, opaque glaze that displays shades of metallic orange and brown. The variation of the glaze is dependent on application. Thicker application results in metallic matte characteristics. Thinner application results in a smoother surface and darker color. Cone 10: Increased orange copper mottling. Increased movement. TIP: This glaze WILL move. Take care when using on a vertical piece reduce glaze thickness towards the