... substrate B.Silver, metallic luster surface C.platinum coating--0.5~10micron D.Stable electrolysis abiliality ... ionizerMaterialGr1 Titanium as substrate, Ruthenium-Iridium oxide or platinum as coatingTechnologySand Blasting, Acid Washing, Brush CoatingCoating ... Thickness12micron--mixed precious metal oxide coating0.5~10micron--platinum coatingDimension & ShapeDifferent dimension and shape is available, ...