Calcined alumina powder High temperature calcined alpha
alumina powder is produced by aluminum hydroxide powder or
industrial alumina powder as raw material, with 1450 ºC high
temperature tunnel kiln calcining process, adding special additives
reduce the impurity content, improve the alpha conversion rate,
control the crystal shape, particle calcined under enough heat
preservation time, and the micro powder is the use of high alumina
ball mill grinding classification.Features: high purity, high
whiteness, than really important, good thermal stability, uniform
particle size distribution and liquidity is good wait for a
characteristic.Application: widely used in ceramics, electrical
porcelain, refractories, spark plugs, brake pads, high insulation,
high purityrefractory fiber, high-grade castable, grinding
polishing, artificial stone, etc.
Item Al2O3≥(%)SiO2≤(%)Fe2O3≤(%)Na2O≤(%)α- Αl2O3≥(%)O.I≤(%)True
Density(g/cm3)ParticleSize(D50μm)ATY-100A99.50.030.020.2940.103.9483-98ATY-100B99.30.040.030.3930.103.9383-98Particle
Size(D50μm): it can be adjusted appropriately according to
your needsLow sodium calcined alumina powderFeatures: Low sodium
calcined aluminum oxide has the advantages of high alfa phase
conversion, high hardness, low sodium content, high purity, stable
thermal performance, low shrinkage, high porcelain density, good
electrical insulation, high thermal conductivity.Especially
suitable for the production of over 92% corundum and ceramic
products, especially 95% alumina porcelain, widely used in water
valve plate, seal ring, ceramic materials, textile machinery and
other wear-resistant ceramics, low sodium high temperature aluminum
oxide is also used in spark plug, vacuum tube shell and other
electronic ceramics with high strength and wear
resistance.Application: 1. Electronic vacuum shell, spark plug and
other electronic ceramics.Such as Copper Clad Laminate(CCL), Epoxy
Moulding Compound(EMC) 2. Paper machinery, seal ring, textile
machinery and other wear-resistant ceramics.3. Alumina crucible,
porcelain tube and other high-temperature materials.4. High
frequency insulating porcelain, LCD substrate glass, ceramic glaze,
etcItem Al2O3≥(%)SiO2≤(%)Fe2O3≤(%)Na2O≤(%)α- Αl2O3≥(%)True
Density(g/cm3)Primary crystal
size(μm)ATY-100D99.60.050.0050.08943.961-3Particle
Size(D50μm): it can be adjusted appropriately according to
your needsCalcined AluminaPowder for Ceramic Whitening AgentThis
product has small original crystal and good activity. It is widely
used in building ceramic floor tiles and ceramic glaze.Product
performance: this product is white powder, whiteness is good,
particle size is even, original grain size is small, sintering
activity is high.Insoluble in water, insoluble in acid, alkali
solution.Main use:ceramic whitening agent, polishing brick blank
body glaze whitening, internal wall tiles, stone and other ceramic
materials , because of its and zirconium silicate similar
refractive index, can replace zirconium silicate used
Item Al2O3≥(%)SiO2≤(%)Fe2O3≤(%)Na2O≤(%)α- Αl2O3≥(%)True
Density(g/cm3)Whiteness≥(%)Primary crystal size
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