Safety measures

Flammability of metallising dusts

Zinc dust reacts with water to form hydrogen. This reaction is exothermic and temperature elevation can be enough, under certain conditions, to ignite zinc powder.

Precautions to be taken:

  • make sure not to let water penetrate inside the spraying booth, in order to prevent the combustion of zinc dust;
  • store metallising residues in closed, sheltered metal barrels;
  • avoid milling or grinding in the spraying booth in order to prevent spark formation;
  • welding work has to be carried out under argon.

ISO 2063 Standard

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