D type direct blend dye is one of the brand-new products exploited by us.On the polyester/cotton or polyester/viscose blends
dyeing in one bath one stage,it is applicable for the cotton and the viscose fiber.It can be used with disperse dye in one bath
or as the direct dye in the normal dyeing.
1.The high exhaustion rate and directness for cellulose fiber,even if a small
amount of salt is used.
2.The dye solution is very stable,even under the temperature of 130°C
it comparatively has higher exhaustion rate.
3.Under the acid condition,if has a good exhaustion rate for cellulose fiber
and wider PH adaptation of dye bath.
4.It's general fastnesses are excellent.
Dyeing Procedure in Bath of the D Type Direct Blend Dyestuffs
cotton acrylic fibres1000Cdyeing:
sodium sulphate dosage
light color:5g/L moderate color:10-15g/L dark color:20-25g/L
Rinsing, fixation, soaping are needed after dyeing to remove loose colour.Formaldehyde-free fixative NFC can improve fastness of dyeing
Terms of fixation :
Bath ratio 1:2
CH:Change of Shade
CO:Staning of Cotton
V:Staning of Viscose