Fumed Alumina

Base on fumed silica products, Xunyuchem developed the fumed alumina product. XYAL100 is a high purity aluminum oxide. It has a high BET surface area and positive surface charge, which brings powerful functions in different applications.

XYAL100 fumed alumina
XYAL100 fumed alumina
XYAL100 fumed alumina

Application and Functions

XYAL fumed alumina applications

  • Powder coatings: Improve chargeability and flowability
  • Li-ion Batteries: Increase the safety and life-time of ceramic coating for separators in Li-ion Batteries;
  • Thermal insulation material: Shows high thermal and
    chemical stability in Thermal insulation material,e.g. Vacuum insulation plate, etc;
  • Silicone and Composite materials: As filler for control density,heat conductivity and dielectric charateristics;
  • Photo Paper: Provide high gloss and excellent printing;
  • Melt-blown fabric of Mask: Used in electret masterbatch for improve the charge stability for better filtration efficiency of Mask;

Physico-chemical data of fumed alumina

Properties Units Typical Value Standard
Specific Surface Area(BET) m2/g 100±15 GB/T10722
pH Value(in 4% dispersion) 4.5-5.5 GB/T 1717
Loss on Drying, Ex Works
wt% <1.5 GB/T 5211.3
Alumina content
(based on ex-works)
wt% >99.8 GB/T20020
Tamped Density

g/l 40-60 GB/T5211.4
Sieve Residue(45μm) % <0.050 GB/T5211.14

TDS Download

Technical Data Sheet (TDS): XYAL100 TDS
Materials Safety Data Sheet (MSDS): XYAL100 MSDS