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