Bentonite

Bentonite is a native hydrated colloidal aluminum silicate clay. It is an absorbent swelling clay consisting mostly of montmorillonite. It has various applications from use in drilling mud to binder, purifier, absorbent, and carrier for fertilizers or pesticides. Minor uses include filler, sealant, and catalyst in petroleum refining.

Synonyms
Bentonite, Bentonite Clay, Montmorillonite, Silicate of Alumina, Smectite Clay, Sodium Activated Bentonite, Sodium Montmorillonite, Wilkinite
CAS Number
1302-78-9

Characteristics

Forms
Grey, White, Powder (fine)

Uses and Applications

Key applications

  • Printing & Inks
  • Coatings
  • Binding agent
  • Cosmetic products
  • Soaps and detergents
  • Paint and Coatings

Industries

  • CASE & Construction
  • Beauty & Personal Care