More than 500 billion PET bottles are used globally to pack different products but unlike other types of plastic, PET is 100% recyclable. The global trend to switch to rPET contributes to it — let’s see why. Polyethylene terephthalate is often recycled into fibres, sheets, fabrics and definitely in new PET packaging. In its natural state, the resin is colourless, semi-crystalline and highly flexible.