100 Pesos

The 2020 polymer issue of this denomination marked Banco de México's full transition away from cotton-paper substrates for the 100 Peso value — a shift driven partly by the note's high circulation velocity, which had made durability a persistent operational concern. Polymer notes in this denomination typically last two to three times longer than their paper equivalents under Mexican circulation conditions, where humidity and informal handling accelerate wear considerably.

Banco de México prints domestically rather than contracting to De La Rue or Giesecke+Devrient, which is less common among central banks of comparable size. The Guardian™ substrate is a De La Rue product; Safeguard® is associated with CCL Secure — the dual attribution in the catalog data suggests substrate sourcing may have shifted between print runs within the series.