Assertion: sodium sulfate | /r/HasProperty | cheap
Facets:
value: very
type: DEGREE
Source sentences:
text: Because sodium sulfate is cheap in comparison to another material, thermal storage company-maker use our friendly sodium sulfate in their production process.
text: With USA pricing at $30 per metric tonne in 1970, in 2006 up to $90 per metric tonne for salt cake quality and $130 for better grades, sodium sulfate is a very cheap material.