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CEN - EN ISO 7326

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

active, Most Current
Organization: CEN
Publication Date: 1 October 2016
Status: active
Page Count: 20
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

EN ISO 7326
October 1, 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; —...
February 1, 2008
Rubber and plastics hoses - Assessment of ozone resistance under static conditions
A description is not available for this item.

References

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