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Product Line: Agrochemicals

Sodium polyacrylate

CAS 9003-04-7

Molecular structure of Sodium polyacrylate

CAS · 9003-04-7

01

Product Overview

Sodium polyacrylate is a high-purity feed-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance: White powder
Content: 90% min
pH (1% water solution): 7 to 9
Mw: 20,000,000
Loss on drying: 10% max
Residue on ignition: 80% max
Low polymer: 5% max
As: 0.0003% max
Heavy metals: 0.002% max
Viscosity: 5 mPa·s to 15 mPa·s
03

Applications

1. Hygiene Products

a. Disposable Diapers and Adult Incontinence Pads

● One of the primary materials in the absorbent core of modern diapers.

● Absorbs and locks away urine and bodily fluids, converting them into a gel.

● Prevents leakage and keeps skin dry, reducing the risk of irritation.

b. Sanitary Napkins and Feminine Hygiene Products

● Enhances fluid retention and comfort.

● Helps control odor and wetness.

2. Agriculture and Horticulture

a. Soil Conditioner and Water Retention Agent

● Sodium polyacrylate丨9003-04-7 helps retain moisture in soil, especially in arid regions or sandy soils.

● Reduces the frequency of irrigation, improving water use efficiency.

● Promotes better root development and plant growth.

b. Seed Coatings and Hydrogel Applications

● Used to coat seeds to maintain hydration and improve germination rates.

● Common in controlled-release fertilizers and nutrient delivery systems.

3. Industrial and Commercial Use

a. Spill Control and Waste Solidification

● Used in chemical spill kits to absorb water-based liquids and hazardous materials.

● Solidifies aqueous industrial waste, making it easier and safer to handle.

b. Cable and Wire Insulation

● Prevents water ingress in fiber optic and electrical cables by swellable tape technology.

● Forms a gel barrier when exposed to moisture, protecting internal components.

4. Food Packaging

● Used in absorptive pads beneath meat, poultry, or seafood to absorb excess fluids and keep packaging clean.

● Keeps food fresher by reducing bacterial growth caused by standing moisture.

5. Medical and Pharmaceutical

● Applied in wound dressings to absorb exudates and promote healing.

● Utilized in some drug delivery systems for controlled release of medication.

6. Detergents and Cleaning Products

● Functions as a thickener, dispersant, and anti-redeposition agent.

● Keeps dirt suspended in water during laundry, improving cleaning efficiency.

04

Benefits

1. Exceptional Water Absorption

● Can absorb 300–800 times its weight in deionized water, depending on formulation.

● Swells rapidly into a gel, locking in moisture without leakage.

2. Safe and Non-Toxic

● Generally recognized as safe for human contact and use in hygiene and medical products.

● Does not degrade into harmful substances.

3. Biodegradable and Environmentally Friendly Options

● Biodegradable versions are being developed for environmental sustainability, especially in agricultural uses.

4. Cost-Effective

● Efficient even in small amounts, making it economically viable for large-scale manufacturing.

5. Versatile Functional Range

● Can be cross-linked to modify swelling behavior, viscosity, or release characteristics.

● Easily customized for specific industry needs (e.g., high-salinity absorption, rapid swelling).

Conclusion

Sodium polyacrylate丨9003-04-7 is a multi-functional superabsorbent polymer widely utilized across personal hygiene, agriculture, packaging, healthcare, and industrial applications. Its remarkable water absorption capacity, safety, and customizable properties make it an indispensable material in both consumer and commercial products. As technology advances, its environmental impact is also being addressed, broadening its appeal as a sustainable solution for water management and moisture control.

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05

Conclusion

A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.