ISO/DIS 7326 (2006)被替代
Rubber And Plastics Hoses - Assessment Of Ozone Resistance Under Static Conditions
出版：International Organization for Standardization
专家解读视频
Specifies 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.
DIN EN ISO 7326 (2008-01) - Identical
