Direct Dyestuff And Direct Fast Dyestuff

Direct dyestuff and direct fast dyestuff possess affinity to natural cellulose, synthetic and regenerated fibres, such as cotton, Iinen, hemp, ramie, silk, wool, viscose, cuprammonium rayon and polyamide fibres , etc.

Those direct dyestuffs are provided with a wide color range of brilliant shades and good leveling properties. Direct and direct fast dyestuff are applicable either manually or by machine for the dyeing in neutral or slightly alkaline, mostly salt containing bath. Owing to the affinity of those dyestuff for the aforesaid fibres, direct dyestuff and direct fast dyestuff are also widely applied to on union fibres, such as cotton-wool, cotton - polyamide and viscose-wool unions, etc.

Those direct dyestuff can be applied directly to chrome tanned leather with marked covering capacity also in manufacturing various qualities of paper industry.

Hebei Wuyi Dyestuff Chemical Plant welcomes foreign firms all over the world to develop trade with us about direct dyestuff and direct fast dyestuff.

Specification of Direct Dyestuff and Direct Fast Dyestuff

Product Name Color Sample C.I.Direct No. Fastness
Light Washing Rubbing
Dry Wet
Chrysophenine GX dyestuff-1.JPG (3824 bytes) C.I.Y.12 (24895) 3 1-2 4-5 3
Orange S dyestuff-2.JPG (2886 bytes) C.I.O.26 (29150) 3-4 3-4 4-5 3
Red 4B dyestuff-3.JPG (3682 bytes) C.I.R.28 (22120) 2 4 4-5 3
Scarlet 4BS dyestuff-4.JPG (2962 bytes) C.I.R.23 (29160) 2-3 4-5 4-5 2
Red 12B dyestuff-5.JPG (3290 bytes) C.I.R.31(29100) 2 3 4 2
Copper Blue 2R dyestuff-6.JPG (2836 bytes) C.I.B.151 (24175) 5 3-4 4-5 3
Copper Blue 2B dyestuff-7.JPG (2784 bytes) C.I.B.151(24175) 5 3-4 4-5 3
Sky Blue 5B dyestuff-8.JPG (3232 bytes) C.I.B.15 (24400) 2-3 2 4-5 3
Fast Turq.Blue GL dyestuff-9.JPG (5271 bytes) C.I.B.84 (23160) 4-5 2 4-5 2-3
Fast Black G dyestuff-10.JPG (2310 bytes) C.I.BI.19 (35255) 4 3 4 2

Dyeing of direct dyestuff(cotton)

1.Recipe

Dyeing method Weak Alkaline Medium
Dye,      % x x
Na2CO3,    % 2 -
Na2SO4,      % 10~20 10~20

2.Dyeing Procedure

dyestuff-1.GIF (2036 bytes)

3.After coppering of copper blue

dyestuff-2.gif (1065 bytes)

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Hebei Wuyi Dyestuff Chemical Plant

Attn: Mr.Sun Shusheng

 dyestuff-1.JPG (10282 bytes)

Add: No. 7 Fuxing Road, Qingliangdian, Wuyi County, Hebei Province, China
P.C.: 053411
Tel: +86-318-5815227
Fax: +86-318-5816458
E-mail: info@chinadyestuffs.com