C.I. Vat Red 1(73360)
【Properties】
Dark red powder, insoluble in water and alcohol. It is red turn to green in thick sulphuric acid. It is vated to light yellow when meet sodium hyposuphite in basic liquid.
【Qulity standard】
Q/141000LRB010-2004
| Appearance: | Dark red powder |
| Shade: | no difference as the standard |
| Strength, score: | 100 as the standard product ～micro |
| Diffusion intensity: | Over 4 grade |
Fastness of dyes on cotton fabrics:
| Dyeing depth, % | Res- istance Sunlight |
Resistance washing with soap at 95°C | Resistance perspiration | Rubbing | Ironing at 200°C | Bleaching | ||||||||
| acid | alkali | |||||||||||||
| Change | Stain on cotton | Stain on wool | Change | Stain on cotton | Stain on wool | Change | Stain on cotton | Stain on wool | Dry | wet | Change (after 4 hours) | |||
| 3.5 | 5 | 3-4 | 4 | 4-5 | 4 | 4-5 | 4-5 | 4 | 4-5 | 4-5 | 4-5 | 3-4 | 4 | 4 |
Note: 3.5% (owf) is equivalent to a third chromosome standard depth.
【Uses】
Mainly used for pad dyeing of high grade cotton fabrics.
【Starage and transportation】
To be kept in a ventilation and dry. Prevent from sun-shine, hot and moisture. Transporting careffly and lightly.
【Packing】
In 25kg net each iron drum lined with plastic bag.
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