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Smectite Clay

Smectite, Magnesium Aluminum Silicate products are water-washed smectite clays that serve as suspension stabilizers, emulsion optimizers, and rheology modifiers. The powder is light tan.
Typical Chemical Analysis

Al= 9.98%
Si= 20.78%
H= 4.10%

Typical Applications

Smectites are directly used in the foundry, oil well drilling, wine, and iron ore and feed pelletizing industries. They also have civil engineering uses to impede water movement. Smectites are used for various purposes in the manufacturing of many industrial, chemical, and consumer products like cosmetics. They are used in iron foundries, in the agricultural industry, and for filtering and decolorizing various types of oils.

Packaging Options

Plastic jars, pails, fiber drums, steel drums, tote bins


Smectite Clay TSCA (SARA Title III) Status: Listed
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Smectite Clay Group CAS Number:
Sodium Montmorillonite (Western Bentonite)= 1318-93-0
Sodium Montmorillonite (Wyoming Bentonite)= 1302-78-9
Magnesium Montmorillonite= 12199-37-0
Calcium Montmorillonite (Mississippi bentonite)= 1302-76-7

Sustainable Qualities

Smectite Clay, also known as montmorillonite, is considered a sustainable material due to its abundance in nature and its ability to be extracted without causing significant harm to the environment. Smectite Clay is formed from the weathering of volcanic ash and is typically found in large deposits. This Clay is bio-based because it is composed of natural materials and contains no synthetic or harmful additives. Smectite Clay is often used as a natural alternative to synthetic materials in a variety of applications, such as cosmetics, pharmaceuticals, and food packaging. It contributes to a circular economy by being a renewable and biodegradable resource, meaning it can be reused and recycled, reducing waste and environmental impact.

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