TOYS AND SCHOOL SUPPLIES
TOYS AND SCHOOL SPUPPLIES
TOYS AND SCHOOL SUPPLIES

OBJECTIVE AND FIELD OF APPLICATION OF NOM-252-SSA1-2011

Toys and school supplies. Bioavailability limits of heavy metals. Chemical specifications and test methods

This Official Mexican Standard establishes the specifications and test methods for the determination of bioavailability of the elements Antimony (Sb), Arsenic (As), Barium (Ba), Cadmium (Ca), Chromium (Cr), Lead (Pb), Mercury (Hg), and Selenium (Se) of the material of toys and school articles, both domestic and imported.

    The specifications contemplate the bioavailability of toxic elements in the following materials:

  • Coatings of paints, varnishes, lacquers, printing inks and similar coatings.
  • Plastic and similar materials (polymeric).
  • Paper and cardboard.
  • Textiles.
  • Masses of colored materials (wool, impregnated leather).
  • Small parts of metallic materials.

Flexible materials for molding and gels etc.