Unprocessed plastics; chemical compounds that crosslink to form plastics; chemicals in the form of raw materials, auxiliaries, additives and catalysts used in plastics production; chemical compounds, namely, silanes, organosilanes, silicic-acid esters, silicones, polysilanes, polycarbosilanes, polysilazanes; chemical compounds, namely silicone fluids, silicone resins, silicone pastes, silicones elastomers; chemical solutions, dispersions and emulsions containing silicones, all of the above fo...