TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The cross-linking agent is a silicon hydride compound (I) of formula (H-Si(R1)2-(O-Si(R1)2)a-R2-(Si(R1)2-O)b-Si(R1)2-H), a silicon dibenzene compound of formula (II), silicon hydride compound of formula (III), poly(dimethylsiloxane-co-methylhydro-siloxane), tris(dimethylsilyoxy)phenylsilane, bis(dimethylsilyloxy)diphenylsilane, polyphenyl(dimethylhydrosiloxy)-siloxane, methylhydrosiloxanphenylmethylsiloxane-copolymer, methylhydrosiloxane alkylmethylsiloxane-copolymer, polyalkylhydrosiloxane, methylhydrosiloxane-diphenylsiloxane-alkylmethylsiloxane-copolymer or polyphenylmethylsiloxane-methylhydrosiloxane. The hydrosilylation catalyst system is hexachloroplatinic acid, platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex, dichloro(1,5-cyclooctadiene)platinum (II), dichloro(dicyclopentadienyl)platinum (ll), tetrakis(triphenylphosphine)platinum (0), chloro(1,5-cyclooctadiene)rhodium(I)dimer, chlorotris(triphenylphosphine)rhodium(I) or dichloro(1,5-cyclooctadiene)palladium(ll) optionally in combination with a kinetic modulator of dialkylmaleate, preferably dimethylmaleate, 1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclosiloxane, 2-methyl-3-butyn-2-ol and/or 1-ethynylcyclohexanol. The filler is rubber, graphite, silicic acid, silicate, metal oxide, metal hydroxide, carbonate, glass ball, fibers and/or organic filler. The additive (as age preventor) is antioxidant, ozone preventive, flame preventive, hydrolysis preventive, adhesive agent, anti-formulating agent, agent for reducing the component cleavability, dye, pigment, plasticizer and/or processing support.R1 = optionally substituted and saturated hydrocarbon or aromatic monovalent hydrocarbon with 1-10C;a, b = 0-20; andR2 = organic or a divalent with 1-30C or O.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The elastomer blend further comprises a hydrosilylation cross-linking co-agents and/or at least an additive. Preferred Components: The two functional groups in rubber (A) and (B) are vinyl groups. The amount of the rubber (A); rubber (B); hydrosilylation catalyst system; co-agents and additives is 20-95 phr, preferably 50-70 phr; 80-5 phr, preferably 50-30 phr; 0.05-100000, preferably 0.1-5000 ppm; 0.1-30 phr, preferably 1-10 phr and 0.1-20 phr, respectively. The ratio of the silicon hydride group in the cross-linking agent is 0.2-20, preferably 0.8-1.2. The amount of the filler is 5-800 phr, where the amount of the non-magnetic filler material and magnetic or magnetizable filler is 10-200 phr and 200-600 phr, respectively. The rubber (A) and (B) are ethylene-propylene-diene-rubber with a norbornene derivative and a vinyl group, preferably 5-vinyl-2-norbonene, where the diene is isobutylene-isoprene- divinylbenzene rubber, isobutylene-isoprene-rubber, butadiene rubbers, styrene-butadiene-rubber, styrene-isoprene rubber, isoprene-butadiene-rubber, isoprene-rubber, acrylonitrile butadiene rubber, chloroprene-rubber, acrylate rubber, partially hydrogenated rubber from butadiene rubber, styrene-butadiene rubber, isoprene butadiene rubber, isoprene rubber or acrylonitrile butadiene rubber, or from fictionalized rubber such as maleic acid anhydride or its derivative or with vinyl functionalized perfluoropolyether rubber; preferably the rubber (A) is ethylene-propylene diene rubber with vinyl group and the rubber is polyisobutylene with two vinyl group. The average molecular weight of the rubber (A) and (B) is 5000-100000 g/mol, preferably 5000-60000 g/mol. EXAMPLE - Typical elastomer blend comprised of ethylene-propylene diene monomer rubber (20 phr); ethyleneimine polymer 400 (80 phr); chloroprene 300 (4 phr); catalyst/modulator (0.2/35) (phr/mul) and Aerosil R8200 (RTM: hydrophilic and hydrophobic fumed silica) (20 phr).