17 Insulating material for electrical cables and wires; elastomeric sealing elements and grommets, in particular made of plastic, for holding cables, pipes, insulated wires, hoses, corrugated conduits and/or conduits; sealing elements and sealing closures made of elastomers for sealing and strain relief of cables, pipes, insulated wires, hoses, corrugated conduits and/or conduits; sealants, especially sealing elements and grommets