Anhydrous Sodium Sulfate For Printing And Dyeing

The role of anhydrous sodium sulfate in printing and dyeing
1、 As a dye promoter
Improve dye coloring efficiency
Anhydrous sodium sulfate (sodium sulfate) can reduce the solubility of dyes in water, promote faster adsorption of dyes onto fibers, reduce dye usage, and deepen color. For example, in cotton dyeing, direct dyes, sulfurized dyes, and vat dyes require the addition of elemental powder to improve coloring efficiency.
Before use, it should be fully dissolved and added to the dye bath in batches to avoid the formation of dye spots due to excessive local concentration.
Comparison with other dye promoters
Compared to table salt, Yuan Ming powder has fewer impurities (such as iron ions), and has a better effect when dyeing light colors, which can reduce the problem of dark color.
2、 As a dye retarder
Adjust dyeing uniformity
In the dyeing of animal fibers such as silk and wool, sodium ions compete for adsorption to slow down the binding speed between dyes and fibers, preventing uneven dyeing or color difference.
This characteristic is particularly critical in acid dye dyeing, as it can avoid surface accumulation of fibers caused by rapid color absorption.

ackaging: Outer woven bag, inner plastic bag.

Net weight: 50kg/bag

Product parameters

Product application

1. Natural colors and pigments
Anhydrous sodium sulfate is a natural pigment and natural preservative, especially with unique advantages in the printing and dyeing process. As a natural pigment, it can provide high-quality color expression when applied. This method ensures that the product color is not only bright, but also stable and long-lasting, in line with environmental principles.
In addition, there may be the influence of oxidants and other interfering factors in printing and dyeing. At this time, anhydrous sodium sulfate, as a natural material, has a certain stability and can prevent the reaction rate from being too fast or the generation of odorous gases during the printing process, thereby improving the overall effect.
2. Environmental and health protection of natural materials
In the printing and dyeing industry, natural pigments and materials can leave a good space for environmental protection. Due to the fact that anhydrous sodium sulfate is a natural colored substance that has not been extensively destroyed or decomposed, it can be directly used for pulping after adding a large amount of anhydrous sodium sulfate to the product without the need to add other destructive ingredients. This is more common in green product certification and environmental policies.
From a health perspective, in some patients, anhydrous sodium sulfate may have a protective effect on the skin as a natural pigment, thereby reducing potential disease risks, although this claim has not yet received widespread consensus or scientific evidence to support it.
3. Improve printing and dyeing efficiency and product performance
As one of the natural materials, anhydrous sodium sulfate can play a certain physical stability role in the printing and dyeing process, making it easier to maintain color difference and uniformity in the presence of high concentrations of organic dyes. This method can improve printing and dyeing effects while reducing energy consumption, minimizing environmental pollution and operating costs, and extending product lifespan.

Pharmaceutical industry: Anhydrous sodium sulfate is commonly used as a laxative in the pharmaceutical industry to help promote intestinal peristalsis and eliminate toxins from the body. In addition, it can also serve as an electrolyte balancer to adjust the concentration of sodium ions and sulfate ions in the body. In organic synthesis laboratories, anhydrous sodium sulfate is a commonly used post-treatment desiccant to remove moisture from solutions and improve reaction efficiency.

Chemical industry: Anhydrous sodium sulfate is a key raw material for manufacturing chemical products such as sodium sulfide and sodium silicate (water glass). It is also used in the production of other chemical products such as azurol, ammonium sulfate, magnesium sulfate, etc. In the dye industry, anhydrous sodium sulfate is used as a direct dye and cotton dyeing promoter to help the dye adhere better to cotton fibers.

Paper industry: In the paper industry, anhydrous sodium sulfate is used to manufacture sulfate pulp as a cooking agent to help improve the quality of pulp.

Glass industry: Anhydrous sodium sulfate is used as a co solvent in glass production, which helps improve the heat resistance and transparency of glass.

Textile industry: In the textile field, anhydrous sodium sulfate can be used for the production of dyes and dyeing fixatives, as a base color protector for printed fabrics, as well as a filler and coagulant for dyes.

Detergents and cleaning agents: Anhydrous sodium sulfate is an important component of synthetic detergents, which can remove oil stains and dirt. In the food industry, it is used as a desiccant to remove moisture from samples.

Agriculture and feed: Anhydrous sodium sulfate can be used as fertilizer or compound fertilizer, and plays an important role in the composition of bones and teeth in livestock. Adding anhydrous sodium sulfate to livestock and poultry feed can improve the absorption and utilization of nitrogen and other nutrients in the feed, and enhance production performance.

Other applications: Anhydrous sodium sulfate is also used in the manufacture of porcelain glazes, refrigeration mixtures, desiccants, dye diluents, analytical chemical reagents, etc. In organic synthesis laboratories, it is a commonly used dehydrating agent and nitrogen digestion catalyst.

Precautions for use: When using anhydrous sodium sulfate, pay attention to its safety, avoid direct contact with skin and eyes, and store in a dry and ventilated place.