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BertiWooster | 21:12 Sat 20th Feb 2010 | Science
4 Answers
I noticed a white powdery substance breaking up and coming off a tag on a computer lead .

The white powedery bits is coming away leaving a transparent plastic behind .

Originally , the tag was all white to look at

What is the white powdery stuff likely to be ?
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Avatar Image rov1200
If you keep a supermarket carrier bag unused for a number of months it also self destructs to a white powder. Maybe the tag was made of something similar.
21:33 Sat 20th Feb 2010
Avatar Image society
The tag is bio-degradable.
21:36 Sat 20th Feb 2010
Avatar Image BertiWooster
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What about the plastic it is leaving behind ?
16:02 Sun 21st Feb 2010
Avatar Image tillyh345
its there to help the sleeve slide on more easily in manufacturing process and the plastics just holds everything together
20:02 Sun 07th Mar 2010

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