Assertion: honeycomb's porosity | /r/HasProperty | low
Facets:
value: excessively
type: DEGREE
Source sentences:
text: When the porosity is excessively low, the purification performance might deteriorate, and on the other hand, when the porosity is excessively high, the strength might decrease.
text: However, since the Young's modulus of AT is as small as about a tenth of that of cordierite by its nature, even if the porosity is lowered, it shows the Young's modulus which is sufficiently smaller than that of cordierite.
text: When the porosity is excessively low, the purification performance might deteriorate, and on the other hand, when the porosity is excessively high, the strength might decrease.
text: If the porosity is lowered, the mechanical strength of the honeycomb substrate 1 for exhaust gas purification is improved, but on the other hand, the amount that can be coated at the time of coating the catalyst is reduced, and a plurality of coating steps must be performed.