Film Process

Where it comes from

Curve

Clean and efficient manufacturing process

The manufacture of polyester is a two stage process and starts with the esterification of ethylene glycol and terephthalic acid to form a starting monomer. This is a very efficient process and produces no hazardous by-products.

Food contact approved recycled content

Polyester is the most widely recycled plastic material in Europe and is ideally suited to plastic to plastic recycling, in particular where direct food contact is required. BOPET films remain the only viable choice to help the supply chain comply with sustainability pledges to incorporate high levels of recycled content into food contact flexible packaging structures. The use of recycled content also delivers a significant carbon footprint saving and helps to reduce dependancy on the use of virgin raw materials.

Resource efficiency

BOPET films are incredibly resource efficient and punch above their weight in the flexible packaging market. BOPET films only count for between 5-10% of the flexible packaging volume by weight, yet the percentage of packaging structures that rely on BOPET films' unique set of properties is a far higher percentage with up to 25% of packs using BOPET as a critical component.

Developments in bio based materials

In response to the environmental and political pressure on the extraction and use of oil, significant progress is being made in transitioning to renewable feed stock. Polyester with 30% non-oil derived content is commercially available with underway to ultimately increase this percentage to 100%