TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The titanium oxide has rutile-type crystal structure. Preferred Composition: The heat stabilizer is calcium gluconate, calcium carbonate, calcium hydroxide, calcium oleate, calcium stearate, zinc oxide and/or magnesium oxide. Preferred Property: The average particle diameter of heat stabilizer is 0.05-2 mu m, measured by transmission electron microscope.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The calcium salt of polyhydroxy monocarboxylic acid is calcium salt of glyceric acid, 2,3-diphospho D-glyceric acid, 9,10-dihydroxy octadecanoic acid, and/or gluconic acid. The calcium salt of 5-30C aliphatic carboxylic acid is calcium salt of 5-30C saturated aliphatic monocarboxylic acid and/or 5-30C unsaturated aliphatic monocarboxylic acid. The 5-30C aliphatic monocarboxylic acid is calcium salt of 10-30C saturated fatty acid and/or calcium salt of 11-30C unsaturated fatty acid.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The polyvinylidene fluoride resin is crystalline resin of vinylidene fluoride homopolymer and/or vinylidene fluoride copolymer. The vinylidene fluoride copolymer is vinylidene fluoride-tetrafluoroethylene copolymer, vinylidene fluoride-chlorotrifluoroethylene copolymer, vinylidene fluoride-trifluoroethylene copolymer, vinylidene fluoride-tetrafluoroethylene-hexafluoropropylene ternary polymer, vinylidene fluoride-hexafluoropropylene copolymer and/or vinylidene fluoride-chlorotrifluoroethylene-hexafluoropropylene ternary polymer, preferably vinylidene fluoride-hexafluoro copolymer having 15 mol% or less of hexafluoro propylene unit. The copolymerization ratio of comonomer of vinylidene fluoride copolymer is 15 mol% or less. The polyvinylidene fluoride resin composition further contains 10 parts weight or less of additive and 30 parts weight or less of thermoplastic resin with respect to 100 parts weight of polyvinylidene fluoride resin. The additive is elastomer, pigment dispersant, ultraviolet absorber, optical stabilizer, delustering agent, lubricating agent, color regulator and/or crystal nucleating agent. The thermoplastic resin is polymethyl methacrylate.