ALuna-80 Fumed Aluminium Oxide
HIFULL ALuna-80 is a fine-particulate, fumed aluminum oxide (AL2O3 ) powder with a high specific surface area. The positive surface charge of fumed alumina enables it can be used in many applications with special properties and functions.
Properties
Characteristics
| 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 |
Uses and Applications
- Ceramic coating for separators in Li-ion batteries to increase thermal stability & safety; Improve conductivity & reversible capacitance when applied in the anode of Li-battery;
- Improve charge ability & flowability for powder coatings & printing ink;
- Applied in different types of thermal board
- Enhance charge adsorption of melt-blown electret masterbatch;
- Applied in fluorescent coating powders in the lighting industry to uniform light output, reduce light attenuation and UV harm;
- Superfine powder enables to improvement of gloss & ink absorption in papers
Frequently Asked Question
A Manufacturer. Hubei Huifu has been researching and manufacturing fumed silica for 20+ years. We are the largest manufacturer of fumed silica with a well-developed and stable manufacturing process in China.
We get registration of REACH and pre-registration of K-REACH & KKDIK. We get certificates of ISO 9001, ISO 14001. We are the leading setting body of ISO18473-1:2015, ISO18473-3:2018 and ISO 23157:2021.
Free Sample: All grades of fumed silica sample available, Contact to Us
Pyrohydrolysi & Trichloromethylsilane
Fumed silica is synthesized by the pyrohydrolysis of silicon tetrachloride or trichloromethylsilane in the flame of hydrogen and oxygen. Our main raw material is silicon tetrachloride, and the secondary is trichloromethylsilane.
Hydrophilic Fumed Silica SiO2:
HL-150 / HL-200 / HL-300 / HL-380 / HL-150W / HL-200W
Hydrophobic Fumed Silica SiO2:
DDS Treated — HB-151/ HB-152 ;
PDMS Treated — HB-139 ;
HMDS Treated — HB-132 / HB-135 / HB-612/ HB-615 / HB-620 / HB-630.
Fumed Titanium Dioxide TiO2: NT-50
Fumed Aluminium Oxide Al2O3: Aluna-80 & Aluna-100
Price is based on the actual grade.
When the price of raw material fluctuates, we may adjust the price accordingly, please enquire before placing orders. Our email: hifull@hifull.com. Cell : + 8618571019514
When fumed silica is used as filler or additives, it helps in thickening, reinforcement, transparency, free-flow, thixotropic performance, dielectric properties, anti-settling, heat insulation, and anti-sagging. For example, for powder products, HIFULL fumed silica is used as an anti-caking agent; for liquid products, HIFULL fumed silica is used as an anti-settling agent or suspending agent.
| Applications | Functions | Recommended Dosage |
| Paints & Coatings | rheology & thixotropic control,anti-sagging,anti-settling | 0.5-2% |
| UPR, Gel Coat | rheology & thixotropic control,,anti-sagging,anti-settling | 0.5-2% |
| HTV Silicone Rubber | reinforcement | 15-30% |
| RTV Silicone Rubber | thickening & reinforcing | 10-20% |
| Adhesives | rheology & thixotropic control, anti-sagging,anti-settling | 2-10% |
| Cable Gel | thickening | 5-10% |
| Gel Battery | thickening | 0.5-6% |
| Industrial Powders | anti-caking | 0.5-1% |
Quality Stabilization: we are the earliest fumed silica manufacturers with independent R&D in China, which guarantees our product stabilization.
Largest Manufacturer: Our annual output of fumed silica is about 12,000 tons.
Strong R&D Team: Besides our own R&D institute and application& technology department, we’ve to build a research center with Sichuan University and Wuhan University, both are top-tier universities in China.
Leading Authority: We have already been the influential enterprise in the silicon industry in China. Doctor Wang Yuelin, the actual controller of Hifull, is the leader of the Sino-Germany project ISO18473-3 << Fumed Silica for Silicon Rubber>> and he is granted the Outstanding Contribution Award by the committee.
Mainly T/T, L/C and D/P, actual payment terms please check with sales when placing orders.
We will arrange delivery immediately according to the manufacturing schedule and conditions. Due to shipping schedule or other factors, please check with sales when placing orders.
Still have questions?
If you cannot find an answer to your question in our FAQ, you can always contact us and we will be with you shortly.