i.
Mordant dyes have no affinity for textile
fibres.
ii.
They are attached to the fibres with the help of
mordants. these mordant have affinity both for the dye abd fibre.
iii.
Mordant dyes are capable of combining with
metallic oxides to form insoluble color lakes.
iv.
Mordant dyes may be natural or synthetic.
v.
Mordant dyes are mostly applied on natural
protein fibres, nylon and acrylic fibres.
vi.
Good light fastness rating about 4-5
vii.
Most mordant dye are soluble in cold water.
viii.
The main feature of the molecule is that, there
remains a metal ion as a central atom which is bonded to neighbouring –OH,
-COOH or azo group.
ix.
Wide range of hues can be produced from mordant
dyes. t no good blue, green ang violet are available for wool. Largely used for
black shades.