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Alumina Coating Powder

WAL-P05 Fine Alumina Coating Powder

High-purity fine alumina powder for separator and electrode coating, ceramic slurry preparation, and filler evaluation.

Product Details

Fine alumina for coating-material evaluation

WAL-P05 is a Winigen-designated fine alumina powder grade for local ceramic-slurry preparation and coating trials.

Winigen code
WAL-P05
Material
Alumina, Al2O3
D50
0.4-0.6 um
Commercial status
Available by RFQ
  • Purity >= 99.9%
  • D90 <= 1.2 um
  • BET surface area 5-9 m2/g
  • Moisture <= 3,500 ppm
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Qualification note: Final coating suitability depends on substrate, slurry formulation, dispersion, binder/solvent compatibility, drying conditions, and lot-specific documentation.

Technical Data

WAL-P05 grade specification

ParameterSpecificationMethod
Purity>= 99.9%Acceptance requirement; analytical method available by technical review
Particle sizeD10 >= 0.1 um; D50 0.4-0.6 um; D90 <= 1.2 umLaser diffraction
BET5-9 m2/gN2 adsorption BET
pH8-11Aqueous slurry
Moisture<= 3,500 ppmKarl Fischer
Fe / Na / Ca / Cu<= 30 / 500 / 50 / 5 ppmICP-OES
Foreign-particle count>200 um: 0 pcs/kg; 25-200 um: <= 30 pcs/kgParticle-count procedure

Application Fit

Where WAL-P05 is evaluated

Coating routes

Separator ceramic coating, electrode surface or edge coating, and local ceramic slurry preparation.

Selection factors

Evaluate morphology, agglomeration, impurity profile, dispersibility, slurry rheology, and coated-layer performance - not D50 alone.