Zhejiang Runtu Co., Ltd.

Disperse dyes, cationic dyes, Reactive dyes, Indigo Blue, Sodium Hydrosulfite, Sulphur Black, Direct Dyes, Acid Dyes,

we are pleased to introduce ourselves as one of the largest disperse dyes manufacturers in the world, and we also produce Cationic dyes,Reactive dyes, Indigo (vat blue 1), Sulfur Black and Sodium Hydrosulfite. We have three modern industrial parks including 18 plants with 4700 staffs and produce 160,000 tons of textile dyes, including 120,000MT of disperse dyes, 10,000MT of cationic dyes, 15,000MT of indigo, 15,000MT of sulpur black, and 100,000 sodium hydrosulfite per year, 30% of our products has been exported to Germany, Holand, Spain, Italy, Turkey, Canada, USA, Mexico, Columbia, Brazil, Argentina, Indonesia, India, Pakistan, Thailand, Philippine, Vietnam, Iran, Syria, Israel, Korea, Taiwan and HongKong, etc.
The following are our main products:
Disperse dyes (used for dyeing and printing of polyester fibre):
Yellow: 23, 54, 119, 211, 114, 82, SE-RL, SE-3R
Orange: 25, 288, 29, 30, 44, 61, 73, 76
Red: 50, 54, 60, 73, 74, 152, 153, 153: 1, 167, 177, 179,, 82, 145
Violet: 31, 93, 63
Brown: 1, S-3RL, S-2BL
Blue: 56, 60, 79, 183: 1, 165, 291, 291:1, EXSF, ECO
Black: EXSF, ECO, S-2BL, S-3BL, GI, RD-EK ,D2HN
Cationic dyes (used for dyeing and printing of acrylic fibre):
Yellow: 13, 24, 28, 29, 40, 51
Orange: 21, 30, 33
Brown: X-3RL
Red: 13, 14, 18, 46,
Violet: 7, 16
Blue: 3, 41, 41: 1, 53, 54, 159, 162, SL, 2RN, 2RM, X-BRL
Black: X-2G, X-2RL, X-GR, X-O, X-RL, X-FBL, X-FDL, ON
Reactive dyes (used for dyeing and printing of cotton fibre):
Yellow 145, 160, R-NN ,R-3R, R-3RD
Orange 122
Red 195, 194, 223, 261, 198, 108, 250, R-NN, 4BD, R-3BF, R-3G, RES, R-2B, RW, RWB
Blue 19, 21, 222,194, 250, R-NN ,R-2R
Black 5, GWF, KN-G2RC, R-NN, W-NN, ED-H, R-2BG
Brown BR,
Grey: RL

Direct dyes:
Yellow 161,
Red 227, Red 224
Orange 39
Blue 297, Blue 274, Blue 70,
Black 22

Sodium Hydrosulfite 85% & 88%&90%
Appearance: Free-flowing white crystalline powder
Odor: Odorless or with a slight odor of sulfur dioxide

Application
Widely used in the textile industry for vat dyeing, reduction cleaning, printing and stripping, textile materials bleaching.
Used in bleaching paper pulps, especially mechanical pulp;
Being used to bleach kaolin clay.
As a reducing agent, it is used in organic synthesizing.
Sulfur black BR (used for dyeing cotton fibre)


Indigo Blue (Vat Blue1) (used for dyeing cotton fibre)
Application: as dyestuff,be mainly used to dye cotton fabrics,moreover,be used to make 5.5'-7.7'-tetraroma indigo,biochemical medicament and indicator
Appearance：Dark blue even granular or powder