1 Chemicals and chemical products, namely, solutions, preservatives, care products, for use in the following fields: business and industry; liquid single- and multi-component polyurethane systems for manufacturing polyurethane plastics; polyols, including being residual materials, for the development of liquid polyol formulations for manufacturing polyurethane plastics; prepolymers with a base of diphenylmethane-4,4-diisocyanate and toluidine diisocyanate for the development of liquid single- and multi-component polyurethane systems for the manufacture of polyurethane plastics; clear and coloured plastics in the form of liquid reaction resins, aggregate materials, processing materials and auxiliaries for synthetic resins, namely, ground colour pastes, pigments, release agents, thixotropic agents, accelerators and paraffin; chemicals for the teatment of water, chemicals for cleaning ceramic surfaces in swimming pools; adhesive compounds; mordants, derusting agents, for use in the following fields: treatment and finishing of metal surfaces [chemical preparations]