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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 />

2) Calibrati<strong>on</strong> procedures to cork lining and polyurethane tube are<br />

stipulated in detail in <strong>IWTO</strong> <strong>Pilling</strong> <strong>Working</strong> <strong>Group</strong> Draft Test Method,<br />

which is significant different from ISO or o<strong>the</strong>r countries’ ICI <strong>Pilling</strong> Box<br />

Method, but laboratories will not strictly follow such stipulati<strong>on</strong>s<br />

because this <strong>Working</strong> <strong>Group</strong> DTM is not a valid standard <strong>on</strong> current<br />

stage. Precisi<strong>on</strong> <strong>of</strong> test results between laboratories will be highly<br />

improved after this test method is implemented.

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