AU1551 Oro Dto

Tolerance on diameter -0.0mm + 1mm. Discs are Light Tight (pinhole free) Typical analysis ppm: Pt<2, Ir<2, Pd<3, Ag<25, Cu<4, Pb<2, Ni<2, Co<2, Cd<2, Fe<2, Cr<2, Zn<2, Mn<2, Ga<2, In<2, Se<5, Sn<5< Te<5, As<10, Bi<10, Mg<10, Si<10, Zr<10. Au Balance.