TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: Filler is calcium carbonate, white carbon black, titanium dioxide, aluminum hydroxide, aluminum oxide, zinc oxide, silicon micropowder, corundum, cristobalite, kaolin, and/or bentonite. Water-absorbing agent is calcium chloride, magnesium chloride, molecular sieve, silazane, alkoxysilicon carboxylate, and/or silane coupling agent.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: UV absorber is inorganic filler, benzophenone, benzotriazole, hindered amine, salicylate, and/or organic nickel complex, preferably benzophenone:hindered amine with ratio of 1:15-8:1, preferably 1:10-5:1. Benzophenone is 2-hydroxy-4-n-octyloxy benzophenone, 2-hydroxy-4-methoxy benzophenone, or 2,4-dihydroxy benzophenone. Hindered amine is poly-(N- beta -hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidyl succinate) (light stabilizer 622), bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate (light stabilizer 770), or mixture of bis(1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate and 8-(1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate (light stabilizer 292). Thickener is amino silane coupling agent, epoxy silane coupling agent, mercaptosilane coupling agent, and/or isocyanate silane coupling agent, preferably gamma -aminopropyl trimethoxysilane, gamma -epoxypropyl trimethoxysilane, and/or gamma -methacryloyloxypropyl trimethoxysilane. Catalyst is monoalkyl organotin compound, dialkyl organotin compound, trialkyl organotin compound, inorganic tin compound, tetraalkyl organotin compound, and/or their chelates.    TECHNOLOGY FOCUS - POLYMERS - Preferred Parameters: Hydroxyl-terminated polydimethylsiloxane has viscosity of 5000-100000 mPa.s, preferably 10000-80000 mPa.s at 25 degrees C. Preferred Compositions: Plasticizer is dimethyl silicon oil with viscosity of 50-3000 Pa.s, preferably 100-1000 Pa.s at 25 degrees C. UV-absorbing paste has UV absorber content of 70-90 wt.%. Crosslinking agent is methyl tributanone oxime silane, methyl triacetone oxime silane, vinyl tributanone oxime silane, and/or tetrabutanone oxime silane, preferably methyl tributanone oxime silane, vinyl tributanone oxime silane, and/or tetrabutanone oxime silane. Preferred Processes: UV-absorbing paste is prepared by dispersing UV absorber in hydroxyl-terminated polydimethylsiloxane and kneading at 80-120 degrees C under vacuum condition for 1-2 hours.