I.S. EN ISO 4590:2016现行
Rigid Cellular Plastics - Determination of the Volume Percentage of Open Cells and of Closed Cells (iso 4590:2016)
出版：National Standards Authority of Ireland
专家解读视频
Describes a general procedure for the determination of the volume percentage of open and of closed cells of rigid cellular plastics, by measurement first of the geometrical volume and then of the air-impenetrable volume of test specimens.
UNE EN ISO 4590:2003 - Identical
NF EN ISO 4590:2016 - Identical
SN EN ISO 4590:2003 - Identical
SS EN ISO 4590 Ed. 3 (2016) - Identical
SN EN ISO 4590:2016 - Identical
BS EN ISO 4590:2016 - Identical
NEN EN ISO 4590:2016 - Identical
UNE EN ISO 4590:2017 - Identical
ONORM EN ISO 4590:2016 - Identical
NS EN ISO 4590:2016 - Identical
