Assertion: titanium dioxide | /r/HasProperty | pigment
Facets:
Source sentences:
text: The mass-produced tiles, created by Berlin-based architecture firm Elegant Embellishments, are coated with titanium dioxide, a pigment that can act as a catalyst for chemical reactions when it’s activated by sunlight.
text: Titanium dioxide is a pigment that has high optical efficiency, and the small particle in titanium dioxide offers high brightness property.