
Rubber And Plastics Hoses - Assessement Of Ozone Resistance Under Static Conditions
出版:Italian Standards

专家解读视频
Presents three methods for determining resistance of outer covers of hoses to ozone: Method 1 - for bore sizes up to 25mm carries out on hose itself; Method 2 - for bore sizes above 25mm carried out on piece from hose wall; Method 3 - for bore sizes above 25 mm carried out on a piece from cover. Method 1 or 2 shall normally be used. Method 3 shall be used only if Method 2 cannot be employed. Results from Method 1 may not be comparable with results from Methods 2 and 3.
Supersedes UNI 9718 (06/2004)
SS EN 27326 Ed. 1 (1993) - Identical
UNE EN 27326:1995 - Identical
ISO 7326:2006 - Equivalent
NF EN 27326:1993 - Identical
I.S. EN 27326:1994 - Identical
NBN EN 27326:1993 - Identical
BS EN 27326:1993 - Identical
DIN EN 27326 (1993-07) - Identical
ONORM EN 27326:1993 - Identical