High Viscosity Sodium Alginate Textile Printing Thickener for Reactive Dye Printing

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TEXTILE GRADE SODIUM ALGINATE FOR REACTIVE DYE PRINTING

PRODUCT OVERVIEW

FSX Textile Grade Sodium Alginate is a water-soluble textile printing thickener developed for reactive dye printing on cotton, viscose, linen and other cellulosic fabrics.

As an important raw material for reactive printing paste, sodium alginate helps control paste viscosity, printing rheology and screen-running performance. The appropriate sodium alginate grade can support clear printing outlines, good color penetration, stable paste performance and efficient wash-off after printing and fixation.

Our textile grade sodium alginate is suitable for textile printing mills, printing paste manufacturers, textile chemical distributors and formulators looking for a reliable sodium alginate printing thickener with consistent batch-to-batch quality.

PRODUCT INFORMATION

Product Name: Textile Grade Sodium Alginate
Chemical Name: Sodium Alginate
CAS Number: 9005-38-3
Grade: Textile Printing Grade
Appearance: Off-white to light yellow powder
Application: Reactive Dye Textile Printing
Packaging: 25 kg kraft paper bag with inner PE liner
Brand: FSX CHEMICAL
Model: FSX-SA-RP

KEY FEATURES AND BENEFITS

1. Suitable for Reactive Dye Printing

This textile grade sodium alginate is designed for the preparation of reactive dye printing paste. It can be used for printing on cotton, viscose, linen and other suitable cellulosic fabrics.

1. Controlled Printing Rheology

The product provides the viscosity and rheological behavior required for textile printing paste. Proper paste rheology helps control paste transfer during the printing process and supports consistent printing performance.

1. Clear Printing Outlines

A properly selected sodium alginate printing thickener can help reduce spreading and support sharp pattern edges, fine lines and clear printing definition.

1. Stable Paste Performance

The product is designed to provide stable viscosity during paste preparation and printing. Stable printing paste helps reduce production variations and supports repeatable printing results.

1. Good Screen-Running Performance

The sodium alginate paste can be used in flat screen printing and rotary screen printing. The appropriate viscosity grade should be selected according to screen mesh, printing equipment, fabric construction and pattern requirements.

1. Good Color Performance

Proper paste preparation and process control can support good dye transfer, color yield and printing uniformity. Final color performance depends on the dye formulation, fabric pretreatment, fixation conditions and washing process.

1. Easy Wash-Off

Sodium alginate is widely used as a reactive dye printing thickener because the unfixed paste can be removed during the washing process. Correct washing conditions help produce a cleaner fabric surface and a softer hand feel.

1. Consistent Quality Control

FSX Chemical controls important product parameters such as appearance, viscosity, pH, moisture, particle size and insoluble matter according to the selected product grade and agreed specifications.

MAIN APPLICATIONS

FSX Textile Grade Sodium Alginate can be used in:

• Reactive dye printing on cotton fabric
• Reactive printing on viscose and rayon
• Printing on linen and other cellulosic fibers
• Flat screen textile printing
• Rotary screen textile printing
• Hand screen printing
• Preparation of reactive printing stock paste
• Textile printing paste formulation
• Textile printing chemical distribution
• Industrial textile printing production

TYPICAL SPECIFICATIONS

The following parameters should be confirmed according to the selected grade and official Technical Data Sheet:

Appearance: Off-white to light yellow powder
Grade: Textile Printing Grade
Viscosity: Different viscosity grades are available
pH Value: According to the selected grade
Moisture: According to the selected grade
Water-Insoluble Matter: According to the selected grade
Particle Size: According to the selected grade
Application: Reactive dye textile printing
Packaging: 25 kg per bag

Different printing machines, screen meshes, fabrics and printing patterns may require different viscosity grades. Please provide your target viscosity, testing method and printing conditions so that we can recommend a suitable grade.

RECOMMENDED PASTE PREPARATION

1. Add the required amount of clean water to the mixing tank.

2. Start agitation and gradually add the sodium alginate powder. Avoid adding the powder too quickly, as rapid addition may cause lump formation.

3. Continue mixing until the sodium alginate is evenly dispersed.

4. Allow sufficient hydration time to obtain a uniform and stable stock paste.

5. Add reactive dyes and other required printing auxiliaries according to the printing formulation.

6. Adjust the final viscosity according to the fabric, printing method, screen mesh, pattern and production requirements.

7. Conduct laboratory testing before large-scale production.

The exact dosage should be determined through practical testing. It can be affected by sodium alginate viscosity, dye concentration, fabric absorbency, printing equipment, screen specification and the required printing definition.

SUITABLE PRINTING PROCESSES

Flat Screen Printing

The product can be selected for flat screen reactive printing where paste transfer, screen performance and printing definition are important.

Rotary Screen Printing

Suitable viscosity grades can support continuous rotary screen printing. The final grade should be selected according to machine speed, screen mesh, fabric construction and paste formulation.

Reactive Printing Paste Preparation

The sodium alginate can be used as the main thickening component in reactive printing paste formulations. Compatibility testing with dyes and auxiliaries is recommended before production.

WHY USE SODIUM ALGINATE IN REACTIVE PRINTING?

Sodium alginate is widely used in reactive dye textile printing because it provides effective thickening performance while supporting the requirements of reactive printing processes.

Compared with an unsuitable thickener, a properly selected sodium alginate grade can help improve printing paste control, reduce pattern spreading, support clear outlines and facilitate washing after fixation.

The final result depends not only on the textile printing thickener but also on fabric pretreatment, dye quality, paste formulation, printing equipment, drying, steaming, washing and finishing conditions.

QUALITY CONTROL

FSX Chemical operates its own research and development laboratory and textile printing application laboratory.

Raw materials, production processes and finished products are inspected according to established quality control procedures. Each production batch can be supplied with the applicable product documentation, including a Technical Data Sheet, Safety Data Sheet and Certificate of Analysis.

We can also assist customers with product selection according to:

• Required viscosity
• Viscosity testing method
• Fabric type
• Reactive dye system
• Flat screen or rotary screen printing
• Screen mesh
• Printing machine speed
• Target color yield
• Printing sharpness requirements
• Washing and finishing conditions

PACKAGING

Standard Packaging: 25 kg kraft paper bag with inner PE liner.

Customized packaging can be discussed according to order quantity and export requirements.

STORAGE AND SHELF LIFE

Store the product in a cool, dry and well-ventilated place.

Keep the packaging tightly closed and protect the product from moisture, direct sunlight and heat. Once a bag is opened, reseal it carefully to prevent moisture absorption and contamination.

The official shelf life should follow the product label and Technical Data Sheet.

FREE SAMPLE AND TECHNICAL SUPPORT

Free samples are available for qualified laboratory evaluation.

To recommend a suitable textile grade sodium alginate, please provide the following information through the ECHEMI inquiry system:

• Fabric type
• Dye system
• Printing method
• Current thickener type
• Required viscosity and testing method
• Printing paste formulation
• Main quality problem to be improved
• Estimated monthly or annual consumption

Our technical team can review the application information and recommend an appropriate sodium alginate printing thickener for laboratory testing.

FREQUENTLY ASKED QUESTIONS

Q1: Is this sodium alginate suitable for reactive dye printing?

Yes. This product is positioned as a textile grade sodium alginate for reactive dye printing. The most suitable viscosity grade should be selected according to the fabric, printing equipment and paste formulation.

Q2: Can it be used for cotton fabric printing?

Yes. It is designed for reactive printing on cotton and other suitable cellulosic fabrics.

Q3: Is it suitable for rotary screen printing?

Suitable grades can be used for rotary screen printing. Please provide the required viscosity, testing method, screen mesh and machine conditions for grade selection.

Q4: Do you offer different viscosity grades?

Yes. Different viscosity grades can be supplied according to printing method, paste formulation and customer requirements.

Q5: Can you provide a free sample?

Free laboratory samples are available for qualified testing projects. Sample quantity and international courier arrangements will be confirmed before dispatch.

Q6: What product documents are available?

The applicable Technical Data Sheet, Safety Data Sheet and Certificate of Analysis can be provided.

Q7: Can you help match our existing sodium alginate grade?

Yes. Customers can provide their current product specification, sample, printing paste formulation or laboratory test method. Our laboratory can evaluate the requirements and recommend a comparable grade.

ABOUT FSX CHEMICAL

FSX Chemical focuses on textile printing thickeners and printing paste solutions for conventional and digital textile printing.

Our product portfolio includes textile grade sodium alginate, CMC, CMS and formulated digital textile printing thickeners. With our own research and development laboratory and textile printing application laboratory, we support customers with product selection, sample evaluation and application testing.

We aim to provide textile printing customers and chemical distributors with consistent product quality, professional technical support and competitive factory-direct supply.