‘cellulose pulp’ means a fibrous material mainly composed of cellulose and obtained from the treatment of lignocellulosic materials with one or more aqueous solutions of pulping and/or bleaching chemicals;

‘optical brightener’ and ‘fluorescent whitening agent’ mean any additives used with the only purpose of ‘whitening’ or ‘brightening’ the material;

‘plastic materials’, also referred to as ‘plastics’, means synthetic polymers to which additives or other substances may have been added which can be moulded and used as main structural component of final materials and articles;

‘synthetic polymers’ means macromolecular substances, other than cellulose pulp, intentionally obtained either by a polymerisation process or chemical modification of natural or synthetic macromolecules or microbial fermentation;

‘super absorbent polymers’ means synthetic polymers designed for absorbing and retaining large amounts of liquid compared to their own mass.