国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網! 客服QQ:772084082 加入會員
當前位置: 首頁 > 標準詳情頁

SS EN ISO 2440:1999現行

Flexible And Rigid Cellular Polymeric Materials - Accelerated Ageing Tests (Iso 2440:1997)

出版:Standardiserings-Kommissionen I Sverige

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標準狀態(tài)變更提醒服務!

專家解讀視頻

基本信息
標準編號: SS EN ISO 2440:1999
發(fā)布時間:2014/10/20 0:00:00
標準類別:Standard
出版單位:Standardiserings-Kommissionen I Sverige
標準頁數:40
標準簡介

Specifies flexible and rigid cellular polymeric materials, laboratory procedures which are meant to imitate the effects of naturally occurring reactions such as oxidation or hydrolysis by humidity. The physical properties that are of interest are measured before and after the application of the treatments.

標準備注

Supersedes SS ISO 2440. (11/2014)