China Sulfur dyes have the following advantages in printing and dyeing manufacturers and suppliers

Sulfur dyes have the following advantages in printing and dyeing

Basic Info:

Other name: Sodium Sulfide,sodium sulfuret,solid,anhydrous,SSF 60%,MSDS
Molecular Formula: Na2S
CAS No.: 1313-82-2
Molocular Weight: 78.04
Purity: 60% min
H.S. CODE:28301000
Qty Per 20 Fcl: 22-25mt
Model Number(Fe):80PPM 150PPM
Appearance:red Flakes
Packing Detail: In 25kg/900kg/1000kg plastic woven bag, In 150kg/320kg iron drums

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SPECIFICATION AND USAGE

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SPECIFICATION

Model	10PPM	30PPM	90PPM-150PPM
Na2S	60% min	60% min	60% min
Na2CO3	2.0% max	2.0% max	3.0% max
Water Insoluble	0.2%max	0.2%max	0.2%max
Fe	0.001%max	0.003%max	0.008%max-0.015%max

usage

Sodium Sulphide Yellow flakes (anhydrous, solid, hydrated) (2)

Used in Leather or tanning for removing hair from hides and skins.

used in synthetic organic intermediate and preparation of sulfur dye additives .

Sodium Sulphide Yellow flakes (anhydrous, solid, hydrated) (3)

Sodium Sulphide Yellow flakes (anhydrous, solid, hydrated) (4)

In textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent

used in pulp and paper industry.

Sodium Sulphide Yellow flakes (anhydrous, solid, hydrated) (6)

Used in water treatment as an oxygen scavenger agent.

Used in mining industry as inhibitor , curing agent , removing agent

Sodium Sulphide Yellow flakes (anhydrous, solid, hydrated) (1)

OTHER USED

♦ In the photographic industry to protect developer solutions from oxidation.
♦ It is used in the production of rubber chemicals and other chemical compounds.
♦ It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent.

Sulfur dyes have the following advantages in printing and dyeing:

1.Low cost: The manufacturing process of sulfur dyes is relatively simple and the cost is low.
2.Good washing fastness and light fastness: Sulfur dyes are stable in color, not easy to fade, and have high washing and light fastness.
3.Strong affinity to fibers: Sulfur dyes form water-soluble leuco bodies with affinity to fibers through chemical reduction reactions, and can tightly combine with cellulose fibers such as cotton, linen, and viscose.
4.The dyeing process is simple: Although the dyeing process involves two steps, reduction and oxidation, the overall process is relatively mature and easy to operate.
5.Wide applicability: It is widely used in dyeing cotton, linen, viscose and other fibers, especially suitable for dyeing dark colors.
6.Even dyeing and high fastness: Sulfur dyes can ensure even dyeing and fast fastness, and the dyeing speed is fast.
7.Environmental performance: With the improvement of environmental awareness, the production process of sulfur dyes is constantly improved to reduce pollution to the environment.
8.Non-carcinogenic: Sulfur dyes do not contain carcinogenic ingredients.
9.Rich color spectrum: Sulfur dyes have a relatively complete color spectrum. Although they are lacking in red and purple, black, brown, blue and other colors are widely used.
10.Easy to Store: Sulphur dyes are easy to store and transport under proper conditions.
11.Dyeing flexibility: Sulfur dyes are mainly used for dyeing cellulose fibers, but there are some modified versions suitable for other fibers.
12.Post-dyeing treatment is relatively simple: after dyeing, appropriate post-treatment, such as washing, oxidation, anti-brittleness, etc., can further improve the dyeing quality.
13Development of environmentally friendly dyes: Environmentally friendly sulfur dyes are now available, which reduce the negative impact on the environment and are in line with the development trend of green printing and dyeing.
14.Sulfur dyes are widely used in the printing and dyeing industry due to their unique properties and advantages. They are one of the indispensable and important dyes in the printing and dyeing industry.