All Categories
what is 4a zeolite powder-0

News & Blog

Home >  News & Blog

What is 4A Zeolite Powder?

Time : 2026-04-22

4A Zeolite powder is a synthetic aluminosilicate mineral by a highly ordered crystalline structure and uniform micropores. As a versatile functional material, it is primarily recognized for its exceptional ion-exchange capacity and adsorption properties.

As a high-performance inorganic material, 4A Zeolite features excellent calcium ion exchange rate, strong liquid carrying capacity, and superior thermal stability. It has become the most widely used phosphorus-free builder in the detergent industry and a vital additive in plastics, coatings, and environmental protection. Its non-toxic, eco-friendly nature makes it a sustainable alternative to traditional chemicals.

We supply premium-grade 4A Zeolite powder with high whiteness and consistent particle size distribution to ensure optimal performance in diverse industrial applications.

4a沸石粉5.jpg

1. Production and Quality Control

4A Zeolite is produced through a precise hydrothermal crystallization process using high-purity sodium aluminate and sodium silicate. By strictly controlling the crystallization time, temperature, and pH levels, manufacturers ensure the formation of perfect cubic crystals with an effective pore size of approximately 4 Angstroms.

2. Key Characteristics of 4A Zeolite

High Calcium Ion Exchange Capacity (CEV): Rapidly softens hard water by removing calcium and magnesium ions, significantly enhancing cleaning efficiency.

Excellent Adsorption & Carrying Capacity: Its porous structure allows it to carry liquid surfactants while maintaining good powder fluidity.

Superior Dispersion: Fine particle size ensures it disperses evenly in formulations without clumping or settling.

Chemical & Thermal Stability: Maintains structural integrity under various processing temperatures and chemical environments.

Eco-Friendly: Fully biodegradable and free from phosphorus, helping to prevent water eutrophication.

4a沸石粉.jpg

3. Main Applications

Detergents: The core builder in laundry powders and soaps, replacing STPP to provide a phosphorus-free, eco-friendly cleaning solution.

PVC & Polymers: Acts as a non-toxic heat stabilizer and moisture scavenger, improving the aging resistance and surface quality of plastic products.

Coatings & Adsorbents: Used as a functional filler to control moisture and enhance the durability of specialized coatings.

Environmental Protection: Utilized in wastewater treatment for heavy metal removal and soil remediation.

Please contact us.

Contact Us