NEN EN ISO 7326:2008被替代
Rubber And Plastics Hoses - Assessment Of Ozone Resistance Under Static Conditions
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN ISO 7326:2008
发布时间：2008/3/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：7
标准简介
Defines five methods for determining the ozone resistance of the outer covers of hoses: - method 1, for bore sizes up to and including 25 mm, carried out on the hose itself; - method 2, for bore sizes greater than 25 mm, carried out on a test piece from the hose wall; - method 3, for bore sizes greater than 25 mm, carried out on a test piece from the cover; - method 4, for all bore sizes, carried out on the hose itself; - method 5, for all bore sizes, carried out on hoses that are expandable, for example textile-reinforced hoses.
标准备注
Supersedes NEN ISO 7326. (03/2008)
本标准替代的旧标准
替代本标准的新标准
