Anhydrite: A filler that withstands humidity

Finely ground and dressed natural anhydrite is a waterless sulphate. It is often formed as an evaporation product from sea water. Anhydrite makes up the sturdy solid base of gypsum deposits and can be mined separately.


  • hardness 3.5 (Mohs)

  • density 3.0 g/cm³

  • high degree of whiteness

  • tabular structure

  • good transparent properties

Key applications:

  • Clear lacquer systems (among others UV wood varnishes)

  • industrial paints (e.g. corrosion protection, transparent lacquers)

  • construction chemicals (e.g. floor coverings, screed)

  • adhesives

High Performance Fillers based on anhydrite:

TREFIL® 1313