Cork

Citric Acid;

Hydrogen Peroxide;

Titanium Dioxide;

Glycerin;

Potassium Metabisulfite;

Parafin;

Sodium Silicate;

Caustic Soda;

Etc.

Detergents and Surface treatment [+]

Hydrochloric Acid; Sodim Hypochloride; Sodium Metassilicate; Sodium Perborate; Percloroethylene; Sodium Tripolyphosphate; Etc.

Inorganic Pigments (natural and sintetic iron oxides, talcs, kaolins, etc.).