Illustration on wool
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4,0% |
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| Characteristic |
| C. I. |
Acid Black 26 |
| C. I. No. |
27070 |
| CAS No. |
6262-07-3 |
| Chemical Class |
Azodye
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| Properties
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| Solubility (g/l at 90°C)
| 40
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| Levelling
| 2-3
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| Dyeing method - wool
| IV
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| Fastness
| wool
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| standard depth
| 1/25
| 1/12
| 1/6
| 1/3
| 1/1
| 2/1
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| Light Xenotest
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| 4
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| wool
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| standard depth
| 1/1
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| Water
| 4
| 4
| 4-5
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| Washing 40°C
| 4
| 5
| 4
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| Perspiration acid
| 4-5
| 5
| 4-5
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| Perspiration alkaline
| 4-5
| 5
| 4-5
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| Sea water
| 3-4
| 4
| 4-5
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| Hot pressing dry after 4h
| 4-5Y
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| Rubbing dry
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| 4
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| Milling alkaline, mild
| 3
| 4-5
| 4
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| Carbonizing
| 4Y
| 3-4Y
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| Decatizing
| 4
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| Dry cleaning
| 4-5
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| Application possibilities
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Wool IV 
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suitable  partially suitable  unsuitable
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| Testing methods |
| Solubility
| | The figures express solubility of dye in grams of dissolved dye in one liter distilled water at 90°C
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| | Levelling
| | The given figures mean:
| | 5 - excellent levelling
| | 4 - very good levelling
| | 3 - good levelling
| | 2 - lower levelling
| | 1 - poor levelling
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| | Fastness standards
| | Light Xenotest
| ISO 105-B02-1994
| | Water
| ISO 105-E01-1994
| | Washing
| ISO 105-C03-1989
| | Perspiration
| ISO 105-E04-1994
| | Sea water
| ISO 105-E02-1994
| | Ironing
| ISO 105-X11-1994
| | Rubbing
| ISO 105-X12-1987
| | Milling
| DIN 54 040
| | Carbonizing
| ISO 105-X02-1993
| | Decatizing
| ISO 105-E10-1994
| | Dry cleaning
| ISO 105-D01-1993
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| | The fastness figures in the tables show:
| | fastness to light
| other fastness
| | 1 - very poor
| 1 - poor
| | 2 - poor
| 2 - moderate
| | 3 - moderate
| 3 - fairly good
| | 4 - fairly good
| 4 - good
| | 5 - good
| 5 - very good
| | 6 - very good
| | 7 - excellent
| | 8 - unsurpassed
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| | The individual values at fastness data mean:
| | first number
| - change of shade
| | second number
| - staining on undyed adjacent woolen material
| | third number
| - staining on undyed adjacent cotton material
| |
| | At carbonizing the figures mean:
| | first number
| - change of shade before neutralizing
| | second number
| - change of shade after neutralizing
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