Assertion: cell foam | /r/HasAspect | r-values of 3 to 4 per inch
Facets:
value: typically
type: TEMPORAL
Source sentences:
text: While open-cell foams typically have R-values of 3 to 4 per inch (RSI-0.53 to RSI-0.70 per inch), closed-cell foams can attain R-values of 5 to 8 per inch (RSI-0.88 to RSI-1.41 per inch).