
Rigid cellular plastics - Determination of the volume percentage of open cells and of closed cells
出版:Ente Nazionale Italiano di Unificazione (UNI)

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基本信息
標準編號: UNI EN ISO 4590:2016
標準類別:Standard
出版單位:Ente Nazionale Italiano di Unificazione (UNI)
標準頁數:0
標準簡介
This International Standard specifies 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.
本標準替代的舊標準