Correx is a brand name of corrugated plastic

Corrugated plastic

Corrugated plastic or corriboard - also known under the tradenames of Coroplast, IntePro, Correx, Twinplast, Corriflute or Corflute - refers to a wide range of extruded twinwall plastic-sheet products produced from high-impact polypropylene resin with a similar make-up to corrugated fiberboard. It...

 and a registered trademark

Trademark

A trademark, trade mark, or trade-mark is a distinctive sign or indicator used by an individual, business organization, or other legal entity to identify that the products or services to consumers with which the trademark appears originate from a unique source, and to distinguish its products or...

 of DS Smith Correx (a member of the DS Smith Group). Correx has become a Genericized trademark

Genericized trademark

A genericized trademark is a trademark or brand name that has become the colloquial or generic description for, or synonymous with, a general class of product or service, rather than as an indicator of source or affiliation as intended by the trademark's holder...

 for corrugated plastic

Corrugated plastic

Corrugated plastic or corriboard - also known under the tradenames of Coroplast, IntePro, Correx, Twinplast, Corriflute or Corflute - refers to a wide range of extruded twinwall plastic-sheet products produced from high-impact polypropylene resin with a similar make-up to corrugated fiberboard. It...

 in Europe because of its wide use.

Correx is an extruded, twinwall, fluted Polymer

Polymer

A polymer is a large molecule composed of repeating structural units. These subunits are typically connected by covalent chemical bonds...

 that can have a wide variety of additives to make it Flame retardant, UV resistive, biodegradable etc. As colour is added to the base Polymer

Polymer

A polymer is a large molecule composed of repeating structural units. These subunits are typically connected by covalent chemical bonds...

 any variation of colour can be produced. Correx is fully recyclable.