ACID CHROME DYESTUFF
| Neuter dyestuff dyeing and printing under
neuter and similar to neuter. Those dyestuff are suitable for the dyeing and mainly of
loose wool woolen, silk, vinylon, leather, etc. These dyestuff shade seems dull brilliant,
usually dyeing black, grey color etc. Acid chrome dyestuff have been widely developed for fast wool dyeing, especially for the dyeing and printing of loose wool, wool tops, woolen piece goods, leather, carpet yarn and polyamide fibers. Acid chrome dyestuff are dyed after metal-complexes with polassiumbicromate forming an insoluble chrome lacquer on the fibre. The dyeing therefore possesses many outstanding fastness properties especially to light weathering perspiration and milling . Hebei Wuyi Dyestuff Chemical Factory welcomes foreign firms all over the world to develop trade with us about acid chrome dyestuff. |
Specification of Acid Chrome Dyestuff
| Product Name | Colour Sample | C.I.Acid No. | Fastness of acid chrome dyes | |||
| Light | Washing | Rubbing | ||||
| Dry | Wet | |||||
| Brown RH |  |
C.I.Br.33 (13250) | 5 | 3-4 | 4-5 | 4 |
| Dark Yellow G |  |
C.I.Y.10 | 6 | 4-5 | 4-5 | 4-5 |
| Brill.Red B |  |
C.I.R.15 | 6 | 4 | 4 | 3 |
| Pure Blue B |  |
C.I.B.1 | 6 | 4 | 4 | 3 |
Dyeing of neuter dyestuff(wool)
1.Recipe
| Dye, % | x |
| HAc, % | 0.5~1.5 |
| Na2SO4, % | 0~10 |
2.Dyeing Procedure
Dyeing of mordant dyestuff(wool)
1.Recipe
| Dye, % | x |
| Na2SO4, % | 5~10 |
| H2SO4 % | 1~2 |
| HAc, % | 1~2 |
| K2Cr2O7 | 0.5x |
2.Dyeing Procedure
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Hebei Wuyi Dyestuff Chemical Plant Attn: Mr.Sun Shusheng |
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Add: No. 7 Fuxing Road, Qingliangdian, Wuyi County, Hebei Province,
China |
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