Report on the 3rd Pilling Round Trial of IWTO Pilling Working Group ...
Report on the 3rd Pilling Round Trial of IWTO Pilling Working Group ...
Report on the 3rd Pilling Round Trial of IWTO Pilling Working Group ...
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<str<strong>on</strong>g>Report</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> 3 rd <strong>Pilling</strong> <strong>Round</strong> <strong>Trial</strong> <strong>of</strong> <strong>IWTO</strong><br />
<strong>Pilling</strong> <strong>Working</strong> <strong>Group</strong> DTM<br />
<strong>Pilling</strong> Tester elements affects test results in <strong>the</strong> following 2<br />
ways:<br />
1) Polyurethane tubes produced by different manufacturers will have<br />
significant influence <strong>on</strong> test result.<br />
2) Cork linings which are initially put into use or come to <strong>the</strong> end <strong>of</strong> its<br />
service life will have significant influence <strong>on</strong> test result.<br />
<strong>Pilling</strong> Grade Evaluati<strong>on</strong> will affect test result from <strong>the</strong><br />
following 2 points:<br />
1) <strong>Pilling</strong> grade evaluators in different testing laboratories formed <strong>the</strong>ir<br />
own particular assessment criteria for a l<strong>on</strong>g time, so <strong>the</strong>y will give<br />
more c<strong>on</strong>sistent pilling grades to a whole set <strong>of</strong> tested specimens but<br />
larger variati<strong>on</strong> to <strong>the</strong> pilling grade <strong>of</strong> a single tested specimen.
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