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Kairouanese carpets Texture 20 x 20
A carpet with a texture of 20x20 has 40,000 knots per m2 (20 vertical and 20 horizontal rows per 10 cm).
Materials used are wool and cotton.
TECHNICAL SPECIFICATIONS OF MATERIALS
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| Chain knot |
-Cotton cable 20/12
-Or Cotton thread of same thickness and strength |
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F
R
A
M
E |
Support thread |
-Cotton thread 12/6
-Cotton thread equivalent
-Or wool thread
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Two threads |
| Knots |
Natural or dyed wool :
-mechanical weaving or handwoven.
-Assaying 2.300 m/kg
-Or assaying 7/2
Cleaned and treated against moths.. Dye withstands light, cleaning, and rubbing
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Four threads
Five
thread
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A certificate or a bill of sale guaranteeing all the operations associated with the wool used for the carpet (cleaning, dying, etc.) is provided by either the wool seller or the wool dyer and required by the ONA.
SPECIFICATIONS AND CLASSIFICATION
OF FINISHED PRODUCT
Critères |
Superieur |
1st choice |
2nd choice |
| Texture |
40.000 knots per
m2 (20x20) |
Mini: 38.000
knots per m2
(19x20) |
Mini : 34.000
knots per m2
(17x20) |
| Height of knots |
Mini : 10 mm
Maxi : 13 mm
Perfect regularity of shear demanded |
Mini : 10 mm
Maxi : 13 mm
Regularity of shear demanded |
Mini : 10 mm
Maxi : 13 mm |
| Weight |
Mini : 3,200 kg
maxi : 3,500 kg |
Mini : 3,000 kg
Maxi: 3,300 kg |
Mini : 2,700 kg
Maxi: 3,100 kg |
| Centralization of design |
Zero tolerance |
Tolerance of 1,5% on each dimension
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Tolerance of 2% on each dimension
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| Fringes |
-Perfect Regular
-Perfect bias cut |
-Regular
-bias cut |
-Regular
-Bias cut with slight tolerance that does not alter aspect of carpet. |
| Change of hue |
None |
None |
Light in background where it does not alter aspect of carpet |
| Warping |
None |
None |
Partial and does not alter aspect of carpet |
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Discovering
Textures 20 x 20 
