Aluminium trihydrate is manufactured from bauxite using the Bayer process. The primary characteristics of aluminium hydroxide are its flame retardant qualities, its high degree of whiteness and its low hardness. It dehydrates at temperatures above 200°C.

Features
• low hardness 3 (Mohs)
• density of 2.4 g/cm³
• high brightness (Y-value > 94)
• thermal expansion:15*10^-6K^-1 ( at T 20-300 °C)
• flame retardant

Key applications
• boiling water resistant solid surface composites made out of PMMA
• epoxy casting resins

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