Assertion: ink's pigment | /r/HasProperty | iron oxides
Facets:
value: typically
type: DEGREE
Source sentences:
text: The pigments are typically copper phthalocyanine and iron oxides, and the gel is made up of water and biopolymers, such as xanthan gum and tragacanth gum, as well as some types of polyacrylate thickeners.