Materials: Difference between revisions

346 bytes added ,  11 November 2018
→‎Recycling plastics: + === LDPE recycling === + LDPE is most commonly used for w:plastic bags and apparently doesn't recycle very well
(→‎Recycling plastics: + === LDPE recycling === + LDPE is most commonly used for w:plastic bags and apparently doesn't recycle very well)
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Another method is the '''[[w:VinyLoop]]''', a proprietary physical plastic recycling process for polyvinyl chloride (PVC). It is based on dissolution in order to separate PVC from other materials or impurities. The solvent is in a closed loop, hence the name.
Another method is the '''[[w:VinyLoop]]''', a proprietary physical plastic recycling process for polyvinyl chloride (PVC). It is based on dissolution in order to separate PVC from other materials or impurities. The solvent is in a closed loop, hence the name.


=== LDPE recycling ===
[[File:Symbol Resin Code 4 LDPE.svg|100px|4-LDPE]]
'''[[w:Low-density polyethylene]]''' ('''LDPE''') is the material that most [[w:plastic bag]]s are made of. The [[w:Plastic_bag#Environmental_issues|Wikipedia article on plastic bags, section "Environmental issues"]] states that many recycling plants don't process LDPE.
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