... Low thermal expansion coefficient Long service span Customization available Metallic substrate has the advantages of fast burning, small volume, high ... gas purification, especially for motorbike.We can supply both metallic substrate coated with noble metals of Pt, Pd, Rh and metallic ... 05,0.06,0.08,0.103. Specification of metallic substrate: Shapesize(mm)Shapesize(mm)RotundityΦ2.42"×1.97"Rotundity ...