Assertion: porcelain's property | /r/HasProperty | low permeability
Facets:
Source sentences:
text: Properties associated with porcelain include low permeability and elasticity; considerable strength, hardness, toughness, whiteness, translucency and resonance; and a high resistance to chemical attack and thermal shock.
text: Its properties include; translucency, hardness, toughness, low permeability, chemical and thermal resistance, etc.