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

NS EN ISO 846 : 1ED 1997已作廢

PLASTICS - EVALUATION OF THE ACTION OF MICROORGANISMS

出版:Norwegian Standards (Norges Standardiseringsforbund)

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變更提醒服務!

專家解讀視頻

基本信息
標準編號: NS EN ISO 846 : 1ED 1997
標準類別:Standard
出版單位:Norwegian Standards (Norges Standardiseringsforbund)
標準頁數:0
標準簡介

Defines methods for the determination of the deterioration of plastics caused by the action of fungi and bacteria and soil microorganisms. Not intended to determine the biodegradability of plastics. Determines deterioration by visual examination and/or changes in mass and/or changes in other physical properties. Applies to all plastic non-porous articles having an easy-to- clean surface.

替代本標準的新標準

NS-EN ISO 846:2019