| http://www.w3.org/ns/prov#value | - A polymer layer containing these polymers has a recommended weight in the range 7-20 g/m.sup.2.These polymers can be used as such in the chargeable layer, or they can be doped in another polymer, such as a polyolefin contained in an upper shield layer.Polymers suitable for the outermost coating layer acting as a mechanical shield and a printing surface comprise, besides the low-density polyethene
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