Page 65 - November-December-2020

64 65
CONTEST-S results were proven to provide the tests/shift),
lowest inter laboratory CV% variations. • testing method for stickiness grading recognised
Mesdan cotton In order to supply a solution to overcome the trouble- Mesdan is proud to announce that its Stickiness
by ITMF - ICCTM.
some effects of cotton stickiness (honeydew/sugar
testing method has recently received an official and
content), Mesdan developed a specific testing
method as an integral part of its CONTEST-S and
full recognition by the ITMF International Committee
CONTEST-F equipment.
Stickiness The STICKINESS module is distinguished by: The ITMF-ICCTM committee members recognised its
on Cotton Testing Methods (ICCTM) in April 2020.
usefulness and its benefits for the complete cotton
• fully automatic high-volume testing equipment
supply chain: it assists spinners to achieve consist-
designed to detect, measure and classify cotton
ent yarn quality standards, it sustains traders and
stickiness,
cotton suppliers to monitor season crop, it provides
testing method • its unique feature of simulating the carding process grading for research laboratories and classification
institutes.
like in real spinning conditions provides a reliable
evaluation of the effective stickiness (cotton fibres
The recognised testing method complies with the
tendency to stick to cotton-processing surfaces),
international standard EN 14278. The complete
• stickiness grade and cotton stickiness risk proba-
recognition
bility assessment enables spinners to anticipate
document with all inter-laboratory evaluation details
is available at the ITMF web site and can be down-
proper actions (how to process & blend different
cotton bales),
Italian Review • fast testing (30 sec/sample) designed for massive es/dl/icctm/recognition/Recogni-
loaded at the link: https://www.itmf.org/imag-
tion_MESDAN_20200429.pdf
stickiness classification of bales and lots (>500

Cotton classing with integrated innovative stickiness grading
· To test all cotton classification values
· 100% reliable measurement and grading of sugar stickiness
· Fully automatic to reduce operator influence
· Calibration with international standard materials
· Designed, engineered and manufactured in Italy
Stickiness testing method

Micronaire
Fineness
Maturity

Mesdan CONTEST-S
Length
If “sticky cotton” is not detected in time and properly yarn quality, only thermo-mechanical methods are Short fibers
handled, it can generate excessive maintenance recommended (in both production and trade). Strength NATI Advanced
costs in spinning, affect the production and compro- Elongation (optional):
mise yarn quality. There are several testing In fact, the high variation in stickiness within a Moisture additional modulus
for Neps,
Colour grade
techniques for determining cotton stickiness: chemi- sample, as well as within a bale and within a lot, makes Leaf grade Seed Coat Neps,
cal, mechanical and thermo-mechanical methods. the thermo-mechanical method suitably designed for Trash and Dust
daily massive testing, in a trading context as well as in
In the latest findings of the ITMF International Com- the spinning mill, thus overcoming the constraints of
mittee on Cotton Testing Methods, in cooperation other methods (chemical and physical). Stickiness
with CIRAD, Fiber Institute Bremen and ICA Bremen,
one important conclusion has been outlined: due to Among different thermo-mechanical equipment used
its highest correlation with processing behaviour and in the ITMF-ICCTM proficiency testing, the

November/December 2020 MESDAN S.P.A. Via Masserino, 6 25080 Puegnago del Garda (BS) - Italy MADHANI ASSOCIATES Tel.+92.21.3.5240481
Tel. +39 0365 653142 Fax +39 0365 651011 sales@mesdan.it www.mesdan.com sales@madhani.com www.madhani.com