Find here all the resources you need to improve the recyclability of plastic packaging.
Cotrep provides you with useful documents to improve the recyclability of your packaging:
Tools for ecodesign
Cotrep's knowledge turned into practical guidelines
- Cotrep guidelines - Tubes
- Recyclability of plastic tubes
- July 2025
- Recyclability of plastic tubes - Cotrep guidelines - Tubes - July 2025
- Cotrep guidelines - Pots and Trays
- Recyclability of pots and trays
- January 2025
- Recyclability of pots and trays - Cotrep guidelines - Pots and Trays - January 2025
Tests protocols
All recyclability tests are conducted with the following protocols.
- Rigid PP-2
- Manufacture of rigid recycled PP pots by injection moulding
- November 2025
- Manufacture of rigid recycled PP pots by injection moulding - Rigid PP-2 - November 2025
- Rigid PP-1
- Regeneration of rigid PP household packaging
- December 2024
- Regeneration of rigid PP household packaging - Rigid PP-1 - December 2024
- Rigid PE-2
- Manufacture of Recycled Rigid PE Bottles by Extrusion Blow Moulding
- October 2024
- Manufacture of Recycled Rigid PE Bottles by Extrusion Blow Moulding - Rigid PE-2 - October 2024
- Rigid PE-1
- Regeneration of rigid PE household packaging
- October 2024
- Regeneration of rigid PE household packaging - Rigid PE-1 - October 2024
- Flexible PE-2
- Production of Recycled PE films by Blow Extrusion
- February 2025
- Production of Recycled PE films by Blow Extrusion - Flexible PE-2 - February 2025
- Flexible PE-1
- Regeneration of flexible PE household packaging
- June 2026
- Regeneration of flexible PE household packaging - Flexible PE-1 - June 2026
- Sorting-P1
- Sorting – dark packaging – Test procedure for assessing dark packaging detectability in optical sorting
- July 2024
- Sorting – dark packaging – Test procedure for assessing dark packaging detectability in optical sorting - Sorting-P1 - July 2024
- PET-P0
- Regeneration of PET bottles and dispenser bottles
- December 2025
- Regeneration of PET bottles and dispenser bottles - PET-P0 - December 2025
- PET-P1
- PET – fiber – Test procedure to determine the impact of a new packaging or new packaging materials on production of fibers using R-PET
- November 2010
- PET – fiber – Test procedure to determine the impact of a new packaging or new packaging materials on production of fibers using R-PET - PET-P1 - November 2010
- PET-P2
- PET – sheet – Test procedure to determine the impact of a new packaging or new packaging materials on production of sheets using R-PET
- November 2010
- PET – sheet – Test procedure to determine the impact of a new packaging or new packaging materials on production of sheets using R-PET - PET-P2 - November 2010
- PET-P3
- PET – strapping – Test procedure to determine the impact of a new packaging or new packaging materials for packaging on production of strapping using R-PET
- November 2010
- PET – strapping – Test procedure to determine the impact of a new packaging or new packaging materials for packaging on production of strapping using R-PET - PET-P3 - November 2010
Technical studies
Find here all technical studies published by Cotrep since its creation.
- AG85
- General
- Impact of paper bands on the regeneration of rigid PS packaging
- 2025
- Impact of paper bands on the regeneration of rigid PS packaging - AG85 - 2025
- AG83
- General
- Impact of clear PET trays with absorbent pads on the sorting and regeneration of pots trays and other rigid packaging items made of clear PET
- 2025
- Impact of clear PET trays with absorbent pads on the sorting and regeneration of pots trays and other rigid packaging items made of clear PET - AG83 - 2025
- AG82
- General
- Channelling of flexible PP/PE multilayer packaging during the sorting stage at regeneration plants
- 2025
- Channelling of flexible PP/PE multilayer packaging during the sorting stage at regeneration plants - AG82 - 2025
- AG81
- General
- Impact of PP trays with absorbent pads on the sorting and regeneration of rigid PP household packaging
- 2024
- Impact of PP trays with absorbent pads on the sorting and regeneration of rigid PP household packaging - AG81 - 2024
- AG79
- General
- Impact of EVA skin film on the regeneration of rigid PP packaging
- 2024
- Impact of EVA skin film on the regeneration of rigid PP packaging - AG79 - 2024
- AG78
- General
- Impact of tethered PE caps on the regeneration of rigid PE packaging
- 2026
- Impact of tethered PE caps on the regeneration of rigid PE packaging - AG78 - 2026
- AG77
- General
- Impact of thermoformed PE on the sorting and regeneration of rigid PE packaging
- 2024
- Impact of thermoformed PE on the sorting and regeneration of rigid PE packaging - AG77 - 2024
- AG76
- General
- Impact of EVA on the regeneration of flexible PE household packaging
- 2024
- Impact of EVA on the regeneration of flexible PE household packaging - AG76 - 2024
- AG75
- General
- Impact of oriented PE on the regeneration of flexible PE household packaging
- 2024
- Impact of oriented PE on the regeneration of flexible PE household packaging - AG75 - 2024
- AG59
- General
- Impacts linked to residue from PET- and PE- based trays on the recycling of rigid PET packaging.
- 2019
- Impacts linked to residue from PET- and PE- based trays on the recycling of rigid PET packaging. - AG59 - 2019
- AG69
- General
- Impact of PP on the regeneration of flexible PE
- 2021
- Impact of PP on the regeneration of flexible PE - AG69 - 2021
- AG67
- General
- Impact of sleeves on the sorting and recycling of PET bottles
- 2024
- Impact of sleeves on the sorting and recycling of PET bottles - AG67 - 2024
- AG55
- General
- Impact of PET cans with aluminium tops
- 2017
- Impact of PET cans with aluminium tops - AG55 - 2017
- AG66
- General
- Impact of sleeves on the sorting and recycling of rigid PE packaging
- 2022
- Impact of sleeves on the sorting and recycling of rigid PE packaging - AG66 - 2022
- AG65
- General
- Impact of PET lids on the recycling of PET pots and trays
- 2021
- Impact of PET lids on the recycling of PET pots and trays - AG65 - 2021
- AG64
- General
- Impact of PET aerosol dispensers on the recycling of PET bottles, pots and trays
- 2021
- Impact of PET aerosol dispensers on the recycling of PET bottles, pots and trays - AG64 - 2021
- AG62
- General
- Trays – PET copolyester pots for hot filling
- 2020
- Trays – PET copolyester pots for hot filling - AG62 - 2020
- AG61
- General
- Impact of flexible PP at regeneration plants handling rigid PP
- 2019
- Impact of flexible PP at regeneration plants handling rigid PP - AG61 - 2019
- AG63
- General
- Sorting and recycling potential of PE and PP spouted pouches
- 2020
- Sorting and recycling potential of PE and PP spouted pouches - AG63 - 2020
- AG11
- General
- Aluminium component in rigid PP packaging
- 2018
- Aluminium component in rigid PP packaging - AG11 - 2018
- AG56
- General
- Wood component on PET rigid packaging
- 2018
- Wood component on PET rigid packaging - AG56 - 2018
- AG58
- General
- Impact of compostable flexibles on the sorting and regeneration of flexible PE household packaging
- 2023
- Impact of compostable flexibles on the sorting and regeneration of flexible PE household packaging - AG58 - 2023
- AG51
- General
- Trays – PET – behavior in mixed rigid stream
- 2015
- Trays – PET – behavior in mixed rigid stream - AG51 - 2015
- FT03
- General
- Bottles – PET and HDPE – inks
- 2004
- Bottles – PET and HDPE – inks - FT03 - 2004
- FT04
- General
- Bottles – PET – PP labels – nitrocellulose inks
- 2004
- Bottles – PET – PP labels – nitrocellulose inks - FT04 - 2004
- FT05
- General
- Bottles – PET and HDPE – paper label – inks
- 2006
- Bottles – PET and HDPE – paper label – inks - FT05 - 2006
- FT06
- General
- Bottles – HDPE – PP label – nitrocellulose inks
- 2004
- Bottles – HDPE – PP label – nitrocellulose inks - FT06 - 2004
- FT07
- General
- Bottles – PET – PETg label – nitrocellulose inks
- 2004
- Bottles – PET – PETg label – nitrocellulose inks - FT07 - 2004
- FT08
- General
- Bottles – PET – PVC label
- 2004
- Bottles – PET – PVC label - FT08 - 2004
- FT09
- General
- Bottles – PET and HDPE – general information on closures
- 2004
- Bottles – PET and HDPE – general information on closures - FT09 - 2004
- AG10
- General
- Bottles – PET and HDPE – general information on glues
- 2005
- Bottles – PET and HDPE – general information on glues - AG10 - 2005
- AG12
- General
- Bottles – PET and HDPE – general information on labels and sleves
- 2024
- Bottles – PET and HDPE – general information on labels and sleves - AG12 - 2024
- AG15
- General
- Bottles – PET – PP label
- 2012
- Bottles – PET – PP label - AG15 - 2012
- FT25
- General
- Bottles – PET – multi-part cap with plastic seal
- 2004
- Bottles – PET – multi-part cap with plastic seal - FT25 - 2004
- FT20
- General
- Bottles – PET – non-opacifying colouring masterbatch
- 2004
- Bottles – PET – non-opacifying colouring masterbatch - FT20 - 2004
- FT18
- General
- Bottles – HDPE and PP – LDPE sleeve
- 2004
- Bottles – HDPE and PP – LDPE sleeve - FT18 - 2004
- FT17
- General
- Bottles – PET – LDPE sleeve
- 2004
- Bottles – PET – LDPE sleeve - FT17 - 2004
- AG33
- General
- Bottles – PET – general information on non-opacifying colouring masterbatch
- 2017
- Bottles – PET – general information on non-opacifying colouring masterbatch - AG33 - 2017
- FT35
- General
- Bottles – PLA – compatibility with PET
- 2007
- Bottles – PLA – compatibility with PET - FT35 - 2007
- FT34
- General
- Bottles – general information on PLA
- 2007
- Bottles – general information on PLA - FT34 - 2007
- AG43
- General
- Bottles – HDPE – PS label and sleeve
- 2012
- Bottles – HDPE – PS label and sleeve - AG43 - 2012
- AG42
- General
- Bottles – PET – PS label and sleeve
- 2012
- Bottles – PET – PS label and sleeve - AG42 - 2012
- AG44
- General
- Bottles – PET – PETg label and sleeve
- 2012
- Bottles – PET – PETg label and sleeve - AG44 - 2012
- AG46
- General
- Bottles – PET – general information on glass
- 2012
- Bottles – PET – general information on glass - AG46 - 2012
- AG50
- General
- Bottles – PP – mineral fillers
- 2014
- Bottles – PP – mineral fillers - AG50 - 2014
- AG48
- General
- Bottles – HDPE and PP – general information on PP impact on HDPE recycling
- 2012
- Bottles – HDPE and PP – general information on PP impact on HDPE recycling - AG48 - 2012