... absorbed molecular polarization, the attachment force is strong for water, oxide, acetic acid, alkali etc.Molecular Formula: ... Properties KA401KA402KA403KA404KA405AppearanceWhite, Sphere, No Odor, Insoluble In Water, InnocuousCrystal Typex-px-pyyx-pChemical CompositionAl2O3 %≥93≥93 ... 400.30-0.50Static Absorption (RH=60%)%Water Absorption17-19Fluorine Absorption 0.12Water Absorption50Water Absorption50- ...