Pencil for writing, marking, artwork or cosmetic applications, comprises a lead containing polyolefin and coloring material inside a coextruded casing based on polyolefin material

摘要

A pencil with a lead inside a casing, in which the lead (1) consists of polyolefin(s) with a coloring additive and the casing (2) consists of extrudable material containing polyolefin(s). Independent claims are also included for (1) pencil lead (1) in which the additives comprise flow improvers, lubricants, stabilisers, fillers, reinforcing agents, plasticisers, waxes and/or stiffeners (2) a method for the production of pencils as described above by coextrusion.