TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: Nanoscale inorganic filler is nano-silicon dioxide, nano-silicon carbide, nano-zirconium oxide, nano-titanium dioxide, nano-boron nitride, nano-barium sulfate, nano-calcium carbonate, nano-magnesium silicate, and/or nano-iron oxide.    TECHNOLOGY FOCUS - POLYMERS - Preferred Compositions: Polyester polyol is aromatic polyester polyol and/or polycarbonate polyol. Isocyanate curing agent is hexamethylene diisocyanate adduct, isophorone diisocyanate trimer, isophorone diisocyanate adduct, hydrogenated xylylene diisocyanate trimer, and/or hydrogenated xylylene diisocyanate adduct. Fluorocarbon resin is polyvinylidene fluorocarbon resin, trifluoroacetic fluorocarbon resin, and/or tetrafluoroethylene fluorocarbon resin with hydroxyl value of 50-60 mg KOH/g and fluorine content of 26-30%. Hydrolytic stabilizer is monomeric carbodiimide hydrolytic stabilizer, polycarbodiimide hydrolytic stabilizer, and/or monocarboxylic acid glycidyl hydrolytic stabilizer. Dispersant is pigment affinity group-containing block copolymer dispersant, acrylic block copolymer dispersant, hyperbranched polyester-based dispersant, acidic group-containing copolymer based dispersant, and/or hydroxy-functional carboxylic acid dispersant. Leveling agent is polyether siloxane copolymer leveling agent, reactive fluorine polyether modified silicone-based leveling agent, polyether modified polysiloxane-based leveling agent, and/or polyacrylate leveling agent. 1st, 2nd, and 3rd tin catalyst are monobutyl tin oxide, and/or monobutyl tin triisooctanoate, initiator is cyclohexanone peroxide, dibenzoyl peroxide, tert.-butyl hydroperoxide, azobisisobutyronitrile, and/or azobisisoheptanonitrile, hydroxyl acrylate resin is hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, and/or hydroxybutyl methacrylate, and 1st, 2nd, and 3rd diluent is ethyl acetate, butyl acetate, acetone, n-butanone, propylene glycol monomethyl ether acetate, ethylene glycol monomethyl ether acetate, and/or xylene.