Qingdao SOCO New Material Co.,Ltd.

Sodium polyacrylate, industrial grade super absorbent polymer, sold at the best price

Sodium polyacrylate, also known as waterlock, is a sodium salt of polyacrylic acid with the chemical formula [−CH2−CH(CO2Na)−]n and has broad applications in consumer products. This super-absorbent polymer (SAP) has the ability to absorb 100 to 1000 times its mass in water.

Sodium polyacrylate is an anionic polyelectrolyte with negatively charged carboxylic groups in the main chain. Sodium polyacrylate is a chemical polymer made up of chains of acrylate compounds. It contains sodium, which gives it the ability to absorb large amounts of water.

What is Super Absorbent Polymer(SAP)?

SAP (Super absorbent Polymer) is a functional polymer with higher water absorption and superior water retention capability. Hence, it is employed in projects requiring: absorption of waterjetention of excess water and effectively blocking the movement of water.

The advantageous aspect of using SAP is that it is: non Toxic, non-pollutant, and harmless in every aspect.


The normal SAP is available in white granular form; its granules come in various sizes. The type of application that SAP is to be used for is the determining factor for deciding the size of granules required

e.g. Agricultural usage may require SAP of a size ranging from 5-20 mesh for trees while SAP for sewage solidification may be between 30-100 mesh.


Liquid Absorption Capability

This is one of the most vital yardstick by which we measure the quality of this product.

The test for its water absorption prowess is quite simple and straightforward;

we use 1 gm of SAP and see the absorption within a specified time.

Our tests have revealed that the amount of distilled water absorbed is between 200- 800 gm.

Liquid Absorption Capability

Liquid Absorption Capability (under pressure)

Strong liquid-absorbing and liquid-locking capabilities for certain conditions and applications; these capabilities provide a wide usage to SAP in the case of:

-Paper diapers,

-Sanitary towels and Napkins,

-Other hygiene products.

Liquid Absorption Capability (under pressure)


For Hygiene Products

Superior Absorbency: Sodium polyacrylate exhibits an extraordinary ability to absorb and retain large amounts of liquid. 

This feature is particularly crucial in the design of diapers, as it ensures efficient moisture control,

 keeping the baby dry and comfortable.

Gel Formation: Upon absorbing liquid, sodium polyacrylate undergoes a gel-forming transformation. 

This gel-like substance helps to encapsulate and lock in moisture, 

preventing leakage and providing a reliable barrier against wetness.

Soft and Lightweight: Despite its high absorbency, 

sodium polyacrylate remains soft and lightweight. 

This characteristic is essential for maintaining the comfort and flexibility of hygiene products,

 ensuring a pleasant experience for the users.

Long-lasting Performance: The polymer's ability to retain absorbed liquids for extended 

periods contributes to the long-lasting performance of hygiene products. 

This is especially critical in applications like diapers, 

where prolonged effectiveness is key for both infants and caregivers.

Odor Control: Sodium polyacrylate aids in managing unpleasant odors associated 

with bodily fluids. By effectively absorbing and encapsulating liquids, 

it helps minimize the risk of odor formation, enhancing the overall hygiene experience.

Cost-Effective Solution: Due to its efficiency in absorbing and retaining moisture, 

sodium polyacrylate enables the creation of thinner 

and more lightweight hygiene products. 

This not only enhances user comfort but also contributes to cost-effectiveness 

in manufacturing and transportation.

For Industrial Products

With each passing day, SAP is being employed in more and more industries and applications due to its increasing popularity and efficiency in water deterrence.

Features: fast water absorption and strong water-locking ability.

Industrial fields: flood control bags, ice bags, industrial wastewater solidification treatment,cable power,fake snow,oil drilling fluid etc.

Application Of Sodium Polyacrylate In Industry


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