Home > Products > Refractory Raw Materials > Reactive α- Al2O3 Micropowder
Capacity:3000 tons per month
Color:White
Package:Export ton bag
Product Introduction
Alpha alumina is activated alumina powder produced by using first-grade industrial alumina, aluminum hydroxide and additives.It is especially suitable for shaped products and unshaped refractory materials such as refractory castables, plastics, repair materials, gunning materials, smears, etc. It has a strong effect on improving the high temperature strength of refractory materials and improving the corrosion resistance of materials.
Features
1.High chemical stability. 2.High purity. 3.Good insulation. 4.Strong acid and alkali resistance. 5.Good abrasion and impact resistance.
Application
It is widely used in shaped and unshaped refractory materials, refractory castable binders, wear-resistant abrasive tools, high-purity refractory fibers, special ceramics, electronic ceramics, etc.
Technical Data
| Type | Guarantee Value | Typical Value |
| Al2O3 | 99%min | 99.47% |
| SiO2 | 0.2%max | 0.12% |
| Fe2O3 | 0.1%max | 0.06% |
| Na2O | 0.15%max | 0.10% |
| True Density | 3.93 g/cm3min | 3.96 g/cm3 |
| Average Particle Diameter | 0.6~0.7μm | 0.68μm |
| D50 | 1.2μm | 0.98μm |
| Test standard | GB/T21114-2007, GB/T5071-2013 | |
Insulation Brick
Refractory Brick
Monolithic Refractories
