Interviews
Cotton contamination remains an issue for spinners
14 Feb '08
3 min read
Foreign matter, stickiness and seed-coat fragments in raw cotton continue to be serious challenges to the cotton spinning industry worldwide. This is the general conclusion to be drawn from the “Cotton Contamination Survey 2007” which has just been released by the International Textile manufacturers Federation (ITMF).
The survey is carried out every other year, the 2007 edition being the tenth in the series since the changeover to a new methodology in 1989. In the 2007 report, 114 spinning mills located in 23 countries evaluated 72 different cotton growths.
Contamination – unchanged in comparison to 2005:
The level of cottons modestly or seriously contaminated as perceived by the spinning mills from around the world did not increase compared to the last survey in 2005 remaining constant at 22%.
A closer look at the extent of the contamination shows that 7% (2005: 7%) of all cotton evaluated were seriously contaminated by some sort of foreign matter whereas 15% (2005: 15%) were only moderately contaminated.
As the summary data are arithmetic averages, the extent of contamination is fully illustrated only by the results for the individual contaminants. They range from 5% for “tar” (2005: 5%) to 40% of all cottons processed being contaminated by organic matter, i.e. leaves, feathers, paper, leather, etc. (2005: 40%).
With respect to the extent of contamination through “organic matter” it is worthwhile noting that the degree of contamination increased nevertheless due to the fact that more cottons were affected seriously (2007: 13% versus 2005: 8%) and less moderately (2007: 27% versus 2005: 32%) compared to the last survey.
The survey is carried out every other year, the 2007 edition being the tenth in the series since the changeover to a new methodology in 1989. In the 2007 report, 114 spinning mills located in 23 countries evaluated 72 different cotton growths.
Contamination – unchanged in comparison to 2005:
The level of cottons modestly or seriously contaminated as perceived by the spinning mills from around the world did not increase compared to the last survey in 2005 remaining constant at 22%.
A closer look at the extent of the contamination shows that 7% (2005: 7%) of all cotton evaluated were seriously contaminated by some sort of foreign matter whereas 15% (2005: 15%) were only moderately contaminated.
As the summary data are arithmetic averages, the extent of contamination is fully illustrated only by the results for the individual contaminants. They range from 5% for “tar” (2005: 5%) to 40% of all cottons processed being contaminated by organic matter, i.e. leaves, feathers, paper, leather, etc. (2005: 40%).
With respect to the extent of contamination through “organic matter” it is worthwhile noting that the degree of contamination increased nevertheless due to the fact that more cottons were affected seriously (2007: 13% versus 2005: 8%) and less moderately (2007: 27% versus 2005: 32%) compared to the last survey.
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