Semnificație și utilizare

4.1 Surfactant staining is a common problem with outdoor coatings, especially when subjected to humid conditions (such as morning dew) shortly after application.

4.2 Surfactant contamination may also occur with indoor coatings used in humid areas such as kitchens and bathrooms.

4.3 Leaching of water-soluble materials may depend on the colorant dispersion mixed into the tonal base coating. Other coating components may also affect the leaching of water-soluble materials.

ASTM D7190-15 Standard Practice for Evaluating Leaching of Water-Soluble Substances from Latex Paint Films

Etapa 1: Domeniul de aplicare

1.1 This practice includes the ability of the latex paint film to resist contamination due to leaching of water-soluble substances when it comes into contact with water shortly after application.

1.2 Water pollution is attributable to leaching of surfactants or other water-soluble materials from the paint film.

1.3 Valorile exprimate în unități SI vor fi considerate valori standard.

1.4 Acest standard nu este destinat să abordeze toate preocupările legate de siguranță, dacă există, asociat cu utilizarea acestuia. Este responsabilitatea utilizatorilor acestui standard de a stabili practici adecvate de securitate și sănătate și de a determina aplicabilitatea restricțiilor de reglementare înainte de utilizare..