Process introduction:

It takes super bauxite as the main material and applies the electric arc furnace of over 2200 ?? After purification, trash extraction, rime, classification, shattering, preparation by magnetic separation, and fiber classification, the products of various granule sizes are made.

Product performance:
High hardness, strong intensity, shock resistance, high temperature resistance, anti-oxidation, anti-corruption, and little distortion

Usage:
use to grind, spray sand, skive and polish ceramics rosin. Also widely used as super fire-retardant material of antiskid wearable racetrack, high temperature resistant plating layer and the ovens used in metallurgy and chemical industry.

Chemical constitutions:
Al2O3 95%-97.5%, SiO2 <1%, TiO2 1.5-3.9%, Fe2O3 <0.25%, CaO<0.25% ,Crystal shape,-Al2O3 triangle crystal.

Physics performance:
oxidation and deoxidation effect: none;
true density,>3.90g/cm3,
hardness( Knoop):2050Kg/mm2(Moh's)9,
color: dark brown;
melting point:2050 ??
max temperature:1980 ??
linear expansion:(1600 ?? )8.5 10-6C-1.

MICRO POWDER

Property : It is brown and features toughness and impact strength.It can bear high Pressure. Usage : It is suitable for making bonded and coated abrasive tools.wet or dry blasting,superprecision grinding and polishing,making high quality refractory materials,grinding carbon steel,alloy steel,malleable cast iron,hard bronze and semi-conductor materials.