... high whiteness and stable hue titanium dioxide used for plastic,tio2 for plastic Characters:·The dry powder has excellent ... Note.2----------- ≤27.5μmTest instructions:1, Test for Whiteness of oil systerm (L*) and Hue (b*): ... and indicate with CIEL*,a*,b*.2, Test for Dispersion under high-speed mixing of Alkyd system: ... please refer to ISO standard. titanium dioxide used for plastic,tio2 for plastic