Ozone resistance test and appearance inspection
7.9 Ozone resistance test
When testing in accordance with method 1 or Method 2 of GB/T24134-2009 (depending on the nominal inner diameter of the hose), magnify 2 times and check that there should be no cracking or other damage to the outer coating of the hose.
7.10 Appearance Check
There should be no visible defects in the outer adhesive of the hose. Check that the hose label is correct and properly marked. In addition, check that the hose assembly fittings are properly assembled.
East Zone, Jingxian Development Zone, Hengshui City, Hebei Province
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