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Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber.
| Dynathrene | C.I. Vat | CAS No. | Characteristics | |
|---|---|---|---|---|
| Olive T | Black 25 | 4395-53-3 | Brownish Grey |
Properties and Applications:
brown light grey. Brown powder. In concentrated sulfuric acid for green, dilution after black precipitation; In concentrated nitric acid for the red light brown. Alkaline reduction leuco for grey; Acid reduction leuco for dark olive. Mainly used in cotton fiber dyeing, generally not used for printing. Suitable for suspension pad dyeing, and other dye spell dyed all kinds of noise, leuco can dye cotton yarn, but also can be used for silk and wool dyeing, and have a good washing fastness and fastness to sunlight.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4 | 8 | 5 | 4 | 4-5 | 5 |
| AATCC | 5 | 4 | 7-8 | 5 | 4-5 | ||
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Main Product:
Textile Dyes,
Organic Pigments,
Polymer Additives,
Pigment Dispersion,
Solvent Dyes ,
PVC Stabilizers
