Search Results for: Belting of textile material reinforced with metal
, with no to very little processing. by far the greatest source of dyes has been from the plant kingdom , notably roots, berries, bark, leaves and wood, only few of which are used on a commercial scale. the first synthetic dye, mauve , was discovered serendipitously by william henry perkin in . [ ] [
of paper . direct or substantive dyeing is normally carried out in a neutral or slightly alkaline dye bath, at or near boiling point , with the addition of either sodium chloride (nacl) or sodium sulfate (na so ) or sodium carbonate (na co ). direct dyes are used on cotton , paper, leather , wool, silk...
https://en.wikipedia.org/wiki/Dye