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High Purity Alumina Powder for Intraocular Lens

High Purity Alumina Powder for Intraocular Lens

    Product Description

    On the basis of the salt water hydrolysis method, the "improved direct hydrolysis method" high-purity alumina preparation technology, namely the high-purity aluminum direct hydrolysis method, was successfully developed through technological innovation. This technology replaces aluminum foil with high-purity and high-activity aluminum powder, and replaces isopropanol with high-purity water. The aluminum powder reacts with pure water at a certain pressure and temperature to form aluminum hydroxide, which is then dried and roasted to obtain high-purity aluminum oxide.

Physical Properties for High Purity Alumina Powder for Intraocular Lens

Product Code BT-AL-3.0
Appearance White Powder
Material 4NAL2O3
Phase state α
Apparent Density 0.45±0.1g/cm3
Specific surface area (BET) 4.5±0.5m2/g
Water content <1%
Granularity (um) D50 15±5
Analysis of other compliments (PPM)
Element Na Mg K Ca Fe Cu Zn Si
Content <10 <3 <3 <2 <5 <3 <5 <15

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