
Properties Of Direct Dyes
by : Rahul Sharma
Properties Of Direct Dyes:
Direct dyes have some charachteristics. Following are the main properties of direct dyes.
- Direct dyes are water soluble dyes.
- It is anionic in nature.
- It needs electrolyte for exhaustion.
- Dyeing Process is carried out in alkaline condition.
- Generally applied for cellulosic as well as protein fibers.
- Fastness properties are average specially wet fastness.
- Fastness properties are improved by after treatment.
- It is not widely used as compared with reactive dyes.
- Comparatively cheap in price.
- Direct dyes are used for cheap goods for local market.