Fumed Aluminium Oxide ALuna-100
Characteristics
HIFULL ALuna-100 are fine-particulate, fumed aluminium oxide (AL2O3) powder with high specific surface area. The positive surface charge of fumed alumina enables it can be used in many applications with special properties and functions.
Applications
※ Ceramic coating for separators in Liion batteries to increase thermal stability & safety; Improve conductivity & reversible capacitance when applied in anode of Li-battery;
※ Improve chargeability & flow ability for powder coatings & printing ink;
※ Applied in different types of thermal board
※ Enhance charge adsorption of meltblown electret masterbatch;
※ Applied in fluorescent coating powders in lighting industry to uniform light output, reduce light attenuation and UV harms;
※ Super fine powder enables to improve gloss & ink absorption of papers
Properties & Functions
※ High specific surface area and high purity
※ Low bulk density
※ super fine particle size & good dispersion performance
※ Positive surface charge
Characteristic Physico-chemical Data
Properties | Unit | ALuna-100 | Testing Method |
Specific surface area(BET) | m2/g | 100±15 | GB/T 20020 |
pH in 4% dispersion | ≥3.9 | GB/T 20020 | |
Loss on drying @ 105℃×2h | % | ≤2.5 | GB/T 20020 |
Loss on ignition (Loss on ignition @ 1000℃×2h) | % | ≤2.0 | GB/T 20020 |
Al2O3 Conten (based on ignited material) | mg/kg | ≥98.0 | GB/T 20020 |
Tamped density（@ 105℃×2h） | g/dm3 | 50-80 | GB/T 20020 |
Crystal Structure | wt.% | Mixed crystal structure | GB/T 20020 |
