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ISO 7326

Rubber and plastics hoses - Assessment of ozone resistance under static conditions

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Organization: ISO
Publication Date: 15 October 2016
Status: active
Page Count: 16
ICS Code (Hoses and hose assemblies): 23.040.70
scope:

This document 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 textilereinforced hoses.

NOTE For hoses with built-in fittings from which it is not possible to take test pieces, the ozone resistance can be assessed on slabs in accordance with ISO 1431-1, using test sheets of the appropriate polymeric compound vulcanized to the same degree.

Document History

ISO 7326
October 15, 2016
Rubber and plastics hoses - Assessment of ozone resistance under static conditions
This document 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; —...
October 1, 2006
Rubber and plastics hoses Assessment of ozone resistance under static conditions
A description is not available for this item.
January 1, 1991
Rubber and Plastics Hoses - Assessment of Ozone Resistance Under Static Conditions; (CEN EN 27326: 1993)
A description is not available for this item.

References

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