Properties
Red uniform powder, insoluble in water, alcohol and acetone. It is red fluorescence solution when soluble dimethylbenzene with yellow bright.
Qulity standard
Appearance: |
Red uniform powder |
Shade: |
no difference as the standard¡«micro |
Strength, score (the standard is 200 score) |
≥200 |
Ferrum content, % |
≤0.01% |
Copper content, % |
≤0.01% |
Fastness of dyes on cotton fabrics:
Dyeing depth, % |
Res- |
Resistance washing with soap at 95°C |
Resistance perspiration |
Rubbing |
Ironing at 200°C |
Bleaching |
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acid |
alkali |
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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
It is mainly applied in dyeing and printing knitted cotton fabrics, uniform bright colouring. It can be used pigment and in plastic tinting, and in manufacture of indigosol.
Starage and transportation
To be kept in a ventilation and dry. Prevent from sun-sinne hot and moisluse. Transporting carefily and lightly.
Packing
In iron drums of 25kg net each lined with plastic bag.