Firemist Pearl 9G130L Platelets of Calcium sodium borosilicate and titanium dioxide. Engelhard-BASF Special effect pigments >> Iridescent pigment / Interference General Industrial /Maintenance Platelets of calcium sodium borosilicate coated with titanium dioxide; Free flowing off-white powder. Particle size - 80% of platelets are between 43-174 microns in length, density = 2.56 kg/l. This grade may be used in industrial coatings and plastics applications . Platelets of calcium sodium borosilicate coated with titanium dioxide; Free flowing off-white powder. Used in industrial coatings and plastics applications.