Alpha Alumina

CALCINED ALUMINA(α—AL2O3), its crude powder and micro powder is prepared using Alumina and Aluminum Hydroxide as starting materials by Rotary Kiln high temperature calcinning technical process, grinding and grading by Balling milling crusher.

Application:
Shaped refractories and monolithics

Features:
White fine sand or powder
Low sodium oxide content
Steady transition rate
Small crystal size and high sitering activity

Properties:
Al2O3 99.0% min
SiO2 0.10% max
Fe2O3 0.05% max
Na2O 0.20% max
Gravity density: 3.94g/cm3 min
α-Al2O3: 94% min
Loss on Ignition: 0.20%T max