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 />
� Reas<strong>on</strong> Analysis <strong>on</strong> Low Reproducibility<br />
� C<strong>on</strong>siderable works have been d<strong>on</strong>e by <strong>IWTO</strong> <strong>Pilling</strong> <strong>Working</strong> <strong>Group</strong><br />
members after <strong>the</strong> 1 st and <strong>the</strong> 2 nd <strong>Round</strong> <strong>Trial</strong>s, trying to figure out<br />
whe<strong>the</strong>r <strong>the</strong> pilling tester or pilling rating plays greater influence <strong>on</strong> test<br />
result differences, including carried out comparis<strong>on</strong> analysis tests <strong>on</strong><br />
two different types <strong>of</strong> cork linings and polyurethane tubes comm<strong>on</strong>ly<br />
used in various labs; Requiring laboratory that exhibited significant<br />
differences <strong>on</strong> pilling grades to evaluate tested specimens from o<strong>the</strong>r<br />
participating labs; sent all tested specimens in total 12 labs to <strong>on</strong>e<br />
specific lab which organized <strong>the</strong> round trial for rating etc.. Finally, it’s<br />
found that differences <strong>on</strong> pilling grade in different labs are mutually<br />
caused by both pilling tester and pilling rating.
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