Titanium dioxide is the best adhesive in enamels, the products treated by TiO2 will get more lubricous, and have better acid resistance, of course, have better appearance, and luster.
Cersei waited until the rest were in their places to make her entrance, with Tommen at her side. Ser Osmund Kettleblack paced beside them in his white enamel plate and white wool cloak.