Because wheelie bins have such a hard life and quality does vary between manufacturers UK/EU bins will be certified and tested to EN840. In addition quality wheelie bins are treated with ultra violet protection which is needed to extend the lifespan and resist damage as without this the wheelie bins exposed to sunlight will become brittle much quicker and tend to split very easily.
The number of plastic rubbish bins that are replaced each year from damage and wear is considerable, 100's of thousands of plastic bins are replaced and rather than sending these bins to landfill they are collected by local authority's and then passed to a specialist plastic recycling company.
Once the worn out wheelie bins have been collected by the plastic recycling company they need to go through a few steps prior to being recycled,
Power washing, all the dried on muck and rubbish inside and outside needs to be removed, along with any stickers, as stickers will be stuck on with adhesive this will need to be removed prior to any recycling taking place.
Removal of all the non plastic components
such as rubber wheels and metal axles, all that a plastic recycler is interested in is the parts made out of plastic, metal and rubber components would be isolated and passed to other specialist recyclers.
This is where the body and lid of the wheelie bin get dropped in to large shredders and gets transformed in to small regrind pieces of plastic, this regrind plastic is then tested as to its composition. Regrind plastic is often re-used as is by adding small percentages to a mix with virgin plastic in the production run of a new plastic manufacturing process.
This is the final stage in the recycling of plastic wheelie bin, here the plastic granules are processed in to a fully recycled compound by melting and extruding in the form of pellets. These pellets are then used to manufacture new products, some of these could be more plastic wheelie bins but equally likely is your cars bumper could have been your old wheelie bin in a past life.
Now there's a thought for next time you are cleaning your car.
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