I.S. EN ISO 7326:2016现行
Rubber and Plastics Hoses - Assessment of Ozone Resistance Under Static Conditions (iso 7326:2016)
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN ISO 7326:2016
发布时间：2016/11/13 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：26
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.
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