he mlp® pet multi &ndashlayer pet is a new technology that extend the period of conservation. the barrier material is composed of a mixture of nylon and a scavenger. this scavenger is used to absorb oxygen coming from the outside of the bottle as well as the oxygen contained in the headspace of the bottle two layers of polyethylene terephthalate with a layer of nylon in between the barrier material gives oxygen transfer coefficient of 0.014 versus 0.066 for current pet the research was conducted with the technical centre for the conservation of agricultural productsctcpa 5 lighter bottle than regular 75cl glass bottle. 50 lighter bottle than regular 187 ml glass bottle. 10,000 more bottles loaded per lorry, 24 more cases per pallet, than regular 75cl glass bottles. source httpbarrygi.commultilayerpet