TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The processing agent contains (i)substance having methylsilyl and chlorosilyl as main component, microparticles or hollow fine particles and non-aqueous solvent; (ii)substance having methylsilyl group and chlorosilyl group as main component, substance having chlorosilyl group as main component, substance having alkoxysilyl group, microparticles or hollow fine particles and non-aqueous solvent; (iii)substance having fluorocarbon group, hydrocarbon group and chlorosilyl group as main component, microparticles or hollow fine particles and non-aqueous organic solvent; (iv)substance having methylsilyl group and alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, and organic solvent; (v)substance having methylsilyl group and alkoxysilyl group as main component, substance having alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group and organic solvent; (vi)substance having methylsilyl group and alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles and organic solvent; (vii)substance having methylsilyl group and alkoxysilyl group as main component, substance having alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles and organic solvent; (viii)substance having fluorocarbon group, hydrocarbon group and alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles and organic solvent; (ix)substance having fluorocarbon group, hydrocarbon group and alkoxysilyl group as main component, substance having alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles and organic solvent. An aqueous medium is used instead of organic solvent. The aqueous medium contains water-containing alcohol or alcohol, and/or water-containing surfactant. The substance having methylsilyl group and chlorosilyl group is of formulae: CH3-(Si(CH3)2)n-SiCl3, CH3-(Si(CH3)2O)n-Si(CH3)Cl2, CH3-(Si(CH3)2O)n-Si(CH3)2Cl and Cl3SiO-(Si(CH3)2O)n-SiCl3. The substance having chlorosilyl group is of formulae: Cl2Si(CH3)O-(Si(CH3)2O)n-Si(CH3)Cl2, ClSi(CH3)O-(Si(CH3)2O)n-Si(CH3)2Cl and Cl3Si(OSiCl2)mCl. The substance having alkoxysilyl group is of formula: (AO)3Si(OSi(OA)2)m(OA). The substance having methylsilyl and alkoxysilyl group is of formulae: CH3-(Si(CH3)2O)n-Si(OA)3, CH3-(Si(CH3)2O)n-Si(CH3)(OA)2, CH3-(Si(CH3)2O)n-Si(CH3)2OA, (OA)3SiO-(Si(CH3)2O)n-Si(OA)3, (OA)2Si(CH3O)-(Si(CH3)2)n-Si(CH3)(OA)2, (OA)Si(CH3)2O-(Si(CH3)2O)n-Si(CH3)2OA.m=0 or integer;n=more than 0 and 12 or less;andA=alkyl.Preferred Composition: The molecular mixture ratio of substance having fluorocarbon group, hydrocarbon group and chlorosilyl group as main component, and substance having chlorosilyl group or alkoxysilyl group as main component is 1:10-20:1. The molecular mixture ratio of substance having fluorocarbon group, hydrocarbon group and alkoxysilyl group as main component, and substance having alkoxysilyl group is 1:10-20:1. Preferred Catalyst: The silanol condensation catalyst is metallic salt of carboxylic acid, metal salt of carboxylate ester, carboxylic acid-metallic salt polymer, carboxylic acid-metallic salt chelate, titanate chelate and titanium oxide. Instead of silanol condensation catalyst, the ketimine compound or organic acid, aldimine compound, enamine compound, oxazolidine compound and aminoalkyl alkoxysilane compound are used, or ketimine compound, enamine compound, oxazolidine compound or aminoalkyl alkoxysilane compound is add-mixed and used for silanol condensation catalyst. Preferred Properties: The microparticles or hollow fine particles are transparent, and has size of 5-50 mu m. The moisture content of non-aqueous organic solvent is 10 ppm or less. The moisture content of organic solvent is 300 ppm or less. Preferred Process: Alternately the processing agent is obtained by mixing substance having methylsilyl group and alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, or substance having methylsilyl group and alkoxysilyl group as main component, substance having alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, or substance having methylsilyl group and alkoxysilyl group as main component, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles, or substance having methylsilyl group and alkoxysilyl group as main component, substance having alkoxysilyl, substance containing silanol condensation catalyst or chlorosilyl group, microparticles or hollow microparticles, using organic solvent. The mixing process is performed under nitrogen atmosphere and humidity of 35% or less. Preferred Condition: The manufacturing process of processing agent is carried out under nitrogen atmosphere and humidity of 5% or less.