TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: Peroxide cross-linking agent is 1,1-bis(tert.-butylperoxy)-3,3,5-trimethylcyclohexane, 2,5-dimethyl-hexane-2,5-di-tert.-butyl peroxide, 2,5-dimethyl-2,5-bis(peroxy benzoate)-hexane, dicumyl peroxide, bis(2-tert.-butylperoxy isopropyl)benzene, tert.-butyl cumyl peroxide, di-tert.-butyl peroxide, tert.-amyl perbenzoate, 2,2-bis(tert.-amyl peroxy)butane, di-tert.-amyl peroxide, tert.-butylperoxy benzoate, dibenzoyl peroxide, bis(4-chlorobenzoyl) peroxide, bis(2,4-dichlorobenzoyloxy) peroxide, bis(4-methylbenzoyl) peroxide, N-butyl-4,4-(tert.-butylperoxy)valerate, ethyl-3,3-bis(tert.-butylperoxy)butyrate, butylperoxy-isopropyl carbonate, tert.-butylperoxy-2-ethylhexyl carbonate, O,O-tert.-butyl-O-isopropyl-mono-peroxycarbonate, butylperoxy carbonate-2-ethylhexyl acrylate, and/or O,O-tert.-pentyl-O-(2-ethylhexyl)-mono-peroxydicarbonate. Phenolic or phosphite antioxidant is 1,3,5-tris(4-tert.-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione, 2,2'-methylene-bis-(4-ethyl-6-tert.-butylphenol), 2,2'-methylene-bis-(4-methyl-6-tert.-butylphenol), 6-(4-hydroxy-3,5-di-tert.-butylphenyl)propionate, n-octadecyl methacrylate, tris(2,4-butylphenyl)phosphite, bis(2,4-dicumylphenyl)pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, and/or tris(nonylphenyl) phosphite. Hindered amine light stabilizer is 3,5-di-tert.-butyl-4-hydroxy-benzoate hexadecyl ester, tris(1,2,2,6,6-pentamethyl-4-piperidyl)phosphite, sebacic acid-bis-2,2,6,6-tetramethyl piperidine ester, bis-1-decano-2,2,6,6-tetramethyl-piperidin-4-ol sebacate, succinic acid-4-hydroxy-2,2,6,6-tetramethyl-1-piperidinol polymer, N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexanediamine-2,4-dichloro-6-(1,1,3,3-tetramethylbutyl)amino-1,3,5-triazine polymer, and/or N,N-bis(2,2,6,6-pentamethyl-4-piperidyl)-1,6-hexanediamine-morpholino-4,6-trichloro-1,5-triazine polymer. UV absorber is 2,2'-(1,4-phenylene)bis(4H-3,1-benzoxazin-4-one), 2,2'-bis(3,1-benzoxazin-4-one), 2,2-tetramethylene-bis(3,1-benzoxazin-4-one), 2,2'-decamethylene-bis(3,1-benzoxazin-4-one), 2,2'-p-phenylene-bis(3,1-benzoxazin-4-one), 2,2'-m-methylene-bis(3,1-benzoxazin-4-one), 1,3,5-tris-(3,1-benzoxazin-4-one-2-yl)phenyl, 2,4,6-tris(3,1-benzoxazin-4-one-2-yl)naphthalene, 2,8-dimethyl-4H,6H-benzo(1,2-d;5,4-d')bis(1,3)oxazin-4,6-dione, 6',6-sulfonyl-bis(2-methyl-4H,3,1-benzoxazin-4-one), 6,7'-methylenebis(2-methyl-4H,3,1-benzoxazin-4-one), 2-hydroxy-4-methoxybenzophenone, 2,4-dihydroxybenzophenone, 2-hydroxy-4-n-octyloxybenzophenone, 2-hydroxy-4-methoxy-2'-carboxybenzophenone, 2,2'-dihydroxy-4,4'-dimethoxybenzophenone, 2-hydroxy-5-chlorobenzophenone, bis-(2-methoxy-4-hydroxy-5-benzoylphenyl)methane, 2-(2'-hydroxyphenyl)benzotriazole, 2-(2'-hydroxy-5-methylphenyl)benzotriazole, 2-(2'-hydroxy-5-methylphenyl)-5-carboxylic acid butyl ester benzotriazole, 2-(2'-hydroxy-5'-methylphenyl)-5,6-dichlorobenzotriazole, 2-(2'-hydroxy-5-methylphenyl)-5-ethanesulfonate benzotriazole, 2-(2'-hydroxy-5'-tert.-butylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-5'-tert.-butylphenyl)benzotriazole, 2-(2'-hydroxy-5'-aminophenyl)benzotriazole, 2-(hydroxy-3,2',5'-dimethylphenyl)benzotriazole, 2-(2'-methyl-4'-hydroxyphenyl)benzotriazole, 2-(2'-hydroxy-5-carboxyphenyl)benzotriazole ethyl ester, 2-(2'-hydroxy-3'-methyl-5'-tert.-butylphenyl)benzotriazole, 2-(2'-octadecyl-3',5'-dimethylphenyl)-5-methylbenzotriazole, 2-(2'-hydroxy-3',5'-di-tert.-butylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-3'-tert.-butyl-5'-methylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-5'-methoxyphenyl)benzotriazole, 2-(2'-hydroxy-3',5'-di-tert.-butylphenyl)-5-chlorobenzotriazole, 2-(5'-2'-hydroxycyclohexyphenyl)benzotriazole, 2-(hydroxyl-2',4',5'-dimethylphenyl)-5-carboxylate benzotriazole butyl ester, 2-(2'-hydroxy-3',5'-dichlorophenyl)benzotriazole, 2-(2'-hydroxy-4',5'-dichlorophenyl)benzotriazole, 2-(2'-hydroxy-3',5'-dimethylphenyl)-5-ethylsulfonyl benzotriazole, 2-(2'-hydroxy-4'-octoxyphenyl)benzotriazole, 2-(2'-hydroxy-5'-methoxyphenyl)-5-methyl benzotriazole, 2-(2'-hydroxy-5'-methylphenyl)-5-carboxylate benzotriazole, 2-(2'-hydroxy-5'-tert.-octylphenyl)-5-benzotriazole, and/or 2-(2'-acetoxy-5'-methylphenyl)benzotriazole. Thickener is gamma -aminopropyltriethoxysilane, gamma -acrylatemethyltrimethoxysilane, gamma -glycidoxypropyltrimethylsilane, and/or 3-aminopropyltrimethylsilane.