Grade and Quality Specifications | Standard Product: Tin Ingot as prescribed in the National Standard of GB/T 728-2010 Sn99.90A, with the content of Tin > 99.90%. Substitutions: Tin Ingots as prescribed in the National Standard of GB/T 728-2010 Sn99.90AA, with the content of Tin > 99.90%, or as prescribed in the Sn99.95A or Sn99.95AA, with the content of Tin > 99.95%, or as prescribed in Sn99.99A, with the content of Tin > 99.99%. |