Fumed Aluminium Oxide ALuna-80
Characteristics
HIFULL ALuna-80 is 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-80 | Testing Method |
Specific surface area(BET) | m2/g | 80±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 |
