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Tolsa Grouop is a Spanish multi-national company with over 50 years of experience in mining research, development, manufacturing and marketing of special clays. Raw materials originate from their own mines.

The Tolsa Group manufactures an extensive range of clay based additives that improve the performance of materials used in construction, paints and coatings, civil engineering, and agriculture among others.
Sepiolite: A phyllosilicate with an acicular morphology. This acicular form provides a great chemical and thermal stable structure. Systems thickened with Sepiolite clay, contrary to other additives, keep stable properties at high temperatures, at a wide pH range (3-14), and have low electrolyte sensitivity.

Bentonite: A group of clays composed commonly by a smectite call montmorillonite. Bentonite has an extended laminar structure which holds a fairly high density of negative charge that is compensated with cations in between the layers. The strong interaction with water allows them to disperse easily in high solids systems creating a fully shear thinning del structure.

Attapulgite: Has a structure very similar to Sepiolite with the main difference being a smaller zeolitic channel. The needle has a lower aspect ratio than Sepiolite which leads to a less demanding energy dispersion.

Hillow Silicate Spheres: Glass hard, inert, hollow silicates spheres are primarily used to reduce the weight of cement slurries. Advantages also include increased filler loading and improved rheology.

Tolsa

http://www.tolsa.com/en/

  • Additives

    • FILLITE Hollow Silicate Spheres
    • ADINS flame retardant synergist
  • Functional Minerals

    • PANGEL® Bentonite and Sepiolite
    • CIMSIL Attapulgite

Select one or more products above.

Request a Sample

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