© Bits and Splits - adobe.stock.com

Recyclate

Definition, areas of application, advantages: an overview of the subject of plastic recyclates

What does “recycled material” mean in connection with plastics?

According to the generally applicable definition, recycled material is the product of a recycling process and accordingly stands for substances and objects that consist entirely or in part of recycled materials. In other words: waste is recycled. Recycling is possible for almost all materials, e.g. plastics, cardboard, paper, wood or glass. However, the term “recycled material” is mostly used in connection with plastics.

What types of recyclate are there?

According to DIN EN ISO 14021, there are two types of recycled material: Post-industrial recycled material (“PIR” for short) and post-consumer recycled material (“PCR” for short).

PIR is waste before use, which is defined as follows:

“Material diverted from the waste stream during a manufacturing process. Excluded is reutilization of materials such as rework, regrind or scrap generated in a process and capable of being reclaimed within the same process that generated it.”

PCR is waste after use, which is defined as follows:

Material generated by households or by commercial, industrial and institutional facilities in their role as end-users of the product which can no longer be used for its intended purpose. This includes returns of material from the distribution chain.”

Foil products can be awarded the “Blue Angel” ecolabel if they are manufactured with a high proportion (at least 80 %) of PCR. The award criteria DE-UZ 30a, which are defined by the RAL Institute, form the basis for this environmental label.

Which products from The Sustainable People are made from recyclate and what are the advantages?

Dog waste bags:

In addition to the biodegradable version, we also offer recycled dog waste bags. These are made from at least 80 % recycled material (PE) to conserve resources.

The new version of our recycled poop bags in small roll format is made from at least 80 % PCR in the EU and is Blue Angel certified. Polyethylene made from 100% recycled production waste (PIR) is used in the production of our recycled poop bags in block format (envelope with 100 bags, variant for consumers). In all of the above cases, this means significant CO₂ savings compared to virgin PE made from new granulate. In addition, the use of recyclate is synonymous with less land utilisation compared to virgin pellets, as there is no need for oil extraction. We can also offer interested cities and municipalities blocked poop bags made from recycled material (PE), for example different variants made from at least 80 % PCR, manufactured in the EU and certified with the Blue Angel.

As long as it is 100% guaranteed that the dog waste bags are always disposed of correctly (i.e. in the residual waste with subsequent thermal recycling), one can clearly say that recycled PE is a good material from an ecological point of view – at least as long as fossil raw materials (e.g. petroleum) are used to generate energy. This is due to the fact that PE burns residue-free in the waste incineration process to form carbon dioxide and water, and a lot of energy can be gained thanks to the high heating value of PE.

Garbage bags:

Our recycled garbage bags, all certified with the Blue Angel, are made from up to 100 % recycled material in a resource-saving manner (PE, at least 90 % post-consumer waste from household recycling). The use of such recycling materials makes an important contribution to conserving resources by substituting primary plastics and using plastics that have already been used at least once again in products. In addition, the use of recycled material means significant savings in CO₂ and less land use compared to fresh PE made from new granulate.

In addition, our recycled garbage bags are made of a mono material (PE), which makes them very easy to recycle. This means another option for collecting recyclable materials. The film-free packaging made from FSC certified kraft paper is of course also recyclable (in the waste paper).

Eine Rolle Zugband-Müllbeutel 35 Liter aus recyceltem Polyethylen von The Sustainable People liegt auf einem Holztisch, in einer Ecke des Bildes sind Blätter zu sehen

Which is better, Post-Industrial Recyclate (PIR) or Post-Consumer Recyclate (PCR)?

In a background report from the Federal Environment Agency [1] it says:

“[…] so-called post-consumer waste represents by far the largest part of the total amount of plastic waste. From an ecological point of view, material recycling is usually superior to all other recycling options, such as thermal recycling, but currently only a part of post-consumer plastics are mechanically recycled (around 17% based on the total amount of plastic waste). One of the reasons for this is that there are currently no established sales channels for such recycling materials. This, in turn, may be due to the high market price of the recyclates compared to new goods, feared disadvantages with regard to the material quality and the lack of the possibility of sorting the materials. Environmental labeling of finished products that are made with a high proportion of these recycled materials can contribute to strengthening sales and thus strengthening the recycling of post-consumer plastic waste.”

The re-use of PCR in everyday products is therefore a central building block in the context of a sustainable economy and also corresponds to the current overarching environmental policy objectives at the EU level within the framework of the so-called “Circular Economy” activities of the EU commission.

Recycled drawstring bin liners and recycled bin liners from The Sustainable People are made from at least 90% PCR. The new version of our recycled poo bags in small roll format (available since June 2023) and our recycled poo bags in block format (for cities and municipalities) made in Poland consist of at least 80% PCR.

The use of PCR makes an important contribution to resource conservation, since primary plastics are substituted and those that have already been used at least once are reused in products. Purchasing such products also contributes to boosting sales and thereby boosting the recycling of post-consumer plastic waste. This is also so important because the proportion of post-consumer waste in plastics processing is still very low. In Germany, for example, this value is only 7.17% (cf. CONVERSIO Market & Strategy GmbH, Stoffstrombild Kunststoffe in Deutschland 2019). Recycling PCR also adds value to the waste involved and prevents the material from ending up in landfills.

PIR, on the other hand, consists of waste or residues (e.g. cuttings or scrap) that have accrued in the course of industrial production and are therefore recycled for the first time. Due to the higher quality of PIR compared to PCR, the probability that such material will be disposed of in landfills is comparatively low. Thus, the ecological added value through recycling can be rated as higher with PCR.

The quality of the starting material for PCR is lower compared to the starting material for PIR, so this is also suitable for fewer applications or more difficult to process. This means more effort in reprocessing (e.g. washing, sorting) and a challenge in producing good products. Since plastic is simply too valuable not to be recycled and with a view to increasing the amount of recycling, the following principle applies: the more often plastics can be recycled, the better.

The overriding goal: disused plastic products are turned into recyclates that can be reused in new plastic products, thereby replacing primary plastics. In the best case scenario, the recyclates go back to the same area of application. Understanding material flows as a cycle and waste as a raw material undoubtedly has many advantages for the environment. The ecological benefit increases with each further use and ultimately also serves the important goal that plastics do not end up in the environment.

From an overall ecological point of view, PCR is often, but not always better than PIR. An example: making dog waste bags from PCR is a big challenge. We speak from our own experience, as we have been working on this for several years. For production-related reasons, the production of such dog waste bags was only possible for a long time from a material thickness of 35 microns. But that is completely oversized for the application, i.e. the disposal of dog excrement. For comparison: our recycled dog waste bags in block format with PE from recycled production waste (envelope with 2 blocks, variant for consumers) have a material thickness of 15 microns, which makes them particularly tear-resistant and moisture-resistant. The thicker the material, the more material is used in the production. This then has corresponding effects, since, for example, far fewer bags fit in a box compared to the thinner bags. This also means a much higher logistical effort, since much more material has to be transported per unit produced than when using a thinner material. In addition, in the event of an environmental impact – whether intentional or unintentional – significantly more plastic would end up in the environment. Using the above material thicknesses of 15 and 35 micrometers as an example, this can mean up to 133% more plastic!

Fortunately, we made significant progress as early as November 2022: since then, we have been able to offer interested cities and municipalities blocked dog waste bags made from at least 80% PCR material (Blue Angel certified, made in the EU), starting with a material thickness of 15 micrometers ! This is a huge innovation, especially since the current market value (as of June 2023) for dog waste bags made from PCR material is 20-25 micrometers. The use of PCR and the comparatively low material thickness thus make an important contribution to the conservation of resources in the field of dog waste bags. In addition, since February 2023 we have also been able to produce the new version of our recycled dog waste bags in small roll format (for consumers) from at least 80% post-consumer recyclate (PE), with a material thickness of 15 micrometers.

Conclusion: understanding material flows as a cycle and waste as a raw material undoubtedly has many advantages for the environment. The ecological benefit increases with each additional use and ultimately also serves the important goal that plastics do not end up in the environment. Basically, we prefer the use of PCR – wherever it is possible and useful. However, if the use of such materials leads to a comparatively enormous increase in material consumption – such as in the case of dog waste bags over a long period of time – we prefer the use of post-industrial materials.

Ein Berg von Plastikgranulat/Pellets aus PE oder PP
© black_kira - adobe.stock.com

[1] Umweltzeichen Blauer Engel für Produkte aus Recycling-Kunststoffen, Hintergrundbericht zur Überarbeitung der Vergabekriterien DE-UZ 30a, Ausgabe Januar 2019, https://www.umweltbundesamt.de/sites/default/files/medien/479/publikationen/2020-07-02_texte_124-2020_vergabekriterien-be-kunststoffrecycling.pdf

[2] COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS, A new Circular Economy Action Plan For a cleaner and more competitive Europe, COM/2020/98 final, https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1583933814386&uri=COM:2020:98:FIN

Klare, zerknüllte Trinkflaschen aus PET für Recycling
© Bits and Splits - adobe.stock.com

Recyclate

Definition, areas of application, advantages: an overview of the subject of plastic recyclates

What does “recycled material” mean in connection with plastics?

According to the generally applicable definition, recycled material is the product of a recycling process and accordingly stands for substances and objects that consist entirely or in part of recycled materials. In other words: waste is recycled. Recycling is possible for almost all materials, e.g. plastics, cardboard, paper, wood or glass. However, the term “recycled material” is mostly used in connection with plastics.

What types of recyclate are there?

According to DIN EN ISO 14021, there are two types of recycled material: Post-industrial recycled material (“PIR” for short) and post-consumer recycled material (“PCR” for short).

PIR is waste before use, which is defined as follows:

“Material diverted from the waste stream during a manufacturing process. Excluded is reutilization of materials such as rework, regrind or scrap generated in a process and capable of being reclaimed within the same process that generated it.”

PCR is waste after use, which is defined as follows:

“Material generated by households or by commercial, industrial and institutional facilities in their role as end-users of the product which can no longer be used for its intended purpose. This includes returns of material from the distribution chain.”

Foil products can be awarded the “Blue Angel” ecolabel if they are manufactured with a high proportion (at least 80 %) of PCR. The award criteria DE-UZ 30a, which are defined by the RAL Institute, form the basis for this environmental label.

Which products from The Sustainable People are made
from recyclate and what are the advantages?

Dog waste bags:

In addition to the biodegradable version, we also offer recycled dog waste bags. These are made from at least 80 % recycled material (PE) to conserve resources.

The new version of our recycled poop bags in small roll format is made from at least 80 % PCR in the EU and is Blue Angel certified. Polyethylene made from 100% recycled production waste (PIR) is used in the production of our recycled poop bags in block format (envelope with 100 bags, variant for consumers). In all of the above cases, this means significant CO₂ savings compared to virgin PE made from new granulate. In addition, the use of recyclate is synonymous with less land utilisation compared to virgin pellets, as there is no need for oil extraction. We can also offer interested cities and municipalities blocked poop bags made from recycled material (PE), for example different variants made from at least 80 % PCR, manufactured in the EU and certified with the Blue Angel.

As long as it is 100% guaranteed that the dog waste bags are always disposed of correctly (i.e. in the residual waste with subsequent thermal recycling), one can clearly say that recycled PE is a good material from an ecological point of view – at least as long as fossil raw materials (e.g. petroleum) are used to generate energy. This is due to the fact that PE burns residue-free in the waste incineration process to form carbon dioxide and water, and a lot of energy can be gained thanks to the high heating value of PE.

Garbage bags:

Our recycled garbage bags, all certified with the Blue Angel, are made from up to 100 % recycled material in a resource-saving manner (PE, at least 90 % post-consumer waste from household recycling). The use of such recycling materials makes an important contribution to conserving resources by substituting primary plastics and using plastics that have already been used at least once again in products. In addition, the use of recycled material means significant savings in CO₂ and less land use compared to fresh PE made from new granulate.

In addition, our recycled garbage bags are made of a mono material (PE), which makes them very easy to recycle. This means another option for collecting recyclable materials. The film-free packaging made from FSC certified kraft paper is of course also recyclable (in the waste paper).

Eine Rolle Zugband-Müllbeutel 35 Liter aus recyceltem Polyethylen von The Sustainable People liegt auf einem Holztisch, in einer Ecke des Bildes sind Blätter zu sehen

Which is better, Post-Industrial Recyclate (PIR)
or Post-Consumer Recyclate (PCR)?

In a background report from the Federal Environment Agency [1] it says:

“[…] so-called post-consumer waste represents by far the largest part of the total amount of plastic waste. From an ecological point of view, material recycling is usually superior to all other recycling options, such as thermal recycling, but currently only a part of post-consumer plastics are mechanically recycled (around 17% based on the total amount of plastic waste). One of the reasons for this is that there are currently no established sales channels for such recycling materials. This, in turn, may be due to the high market price of the recyclates compared to new goods, feared disadvantages with regard to the material quality and the lack of the possibility of sorting the materials. Environmental labeling of finished products that are made with a high proportion of these recycled materials can contribute to strengthening sales and thus strengthening the recycling of post-consumer plastic waste.”

The re-use of PCR in everyday products is therefore a central building block in the context of a sustainable economy and also corresponds to the current overarching environmental policy objectives at the EU level within the framework of the so-called “Circular Economy” activities of the EU commission.

Recycled drawstring bin liners and recycled bin liners from The Sustainable People are made from at least 90% PCR. The new version of our recycled poo bags in small roll format (available since June 2023) and our recycled poo bags in block format (for cities and municipalities) made in Poland consist of at least 80% PCR.

The use of PCR makes an important contribution to resource conservation, since primary plastics are substituted and those that have already been used at least once are reused in products. Purchasing such products also contributes to boosting sales and thereby boosting the recycling of post-consumer plastic waste. This is also so important because the proportion of post-consumer waste in plastics processing is still very low. In Germany, for example, this value is only 7.17% (cf. CONVERSIO Market & Strategy GmbH, Stoffstrombild Kunststoffe in Deutschland 2019). Recycling PCR also adds value to the waste involved and prevents the material from ending up in landfills.

PIR, on the other hand, consists of waste or residues (e.g. cuttings or scrap) that have accrued in the course of industrial production and are therefore recycled for the first time. Due to the higher quality of PIR compared to PCR, the probability that such material will be disposed of in landfills is comparatively low. Thus, the ecological added value through recycling can be rated as higher with PCR.

The quality of the starting material for PCR is lower compared to the starting material for PIR, so this is also suitable for fewer applications or more difficult to process. This means more effort in reprocessing (e.g. washing, sorting) and a challenge in producing good products. Since plastic is simply too valuable not to be recycled and with a view to increasing the amount of recycling, the following principle applies: the more often plastics can be recycled, the better.

The overriding goal: disused plastic products are turned into recyclates that can be reused in new plastic products, thereby replacing primary plastics. In the best case scenario, the recyclates go back to the same area of application. Understanding material flows as a cycle and waste as a raw material undoubtedly has many advantages for the environment. The ecological benefit increases with each further use and ultimately also serves the important goal that plastics do not end up in the environment.

From an overall ecological point of view, PCR is often, but not always better than PIR. An example: making dog waste bags from PCR is a big challenge. We speak from our own experience, as we have been working on this for several years. For production-related reasons, the production of such dog waste bags was only possible for a long time from a material thickness of 35 microns. But that is completely oversized for the application, i.e. the disposal of dog excrement. For comparison: our recycled dog waste bags in block format with PE from recycled production waste (envelope with 2 blocks, variant for consumers) have a material thickness of 15 microns, which makes them particularly tear-resistant and moisture-resistant. The thicker the material, the more material is used in the production. This then has corresponding effects, since, for example, far fewer bags fit in a box compared to the thinner bags. This also means a much higher logistical effort, since much more material has to be transported per unit produced than when using a thinner material. In addition, in the event of an environmental impact – whether intentional or unintentional – significantly more plastic would end up in the environment. Using the above material thicknesses of 15 and 35 micrometers as an example, this can mean up to 133% more plastic!

Fortunately, we made significant progress as early as November 2022: since then, we have been able to offer interested cities and municipalities blocked dog waste bags made from at least 80% PCR material (Blue Angel certified, made in the EU), starting with a material thickness of 15 micrometers ! This is a huge innovation, especially since the current market value (as of June 2023) for dog waste bags made from PCR material is 20-25 micrometers. The use of PCR and the comparatively low material thickness thus make an important contribution to the conservation of resources in the field of dog waste bags. In addition, since February 2023 we have also been able to produce the new version of our recycled dog waste bags in small roll format (for consumers) from at least 80% post-consumer recyclate (PE), with a material thickness of 15 micrometers.

Conclusion: understanding material flows as a cycle and waste as a raw material undoubtedly has many advantages for the environment. The ecological benefit increases with each additional use and ultimately also serves the important goal that plastics do not end up in the environment. Basically, we prefer the use of PCR – wherever it is possible and useful. However, if the use of such materials leads to a comparatively enormous increase in material consumption – such as in the case of dog waste bags over a long period of time – we prefer the use of post-industrial materials.

Ein Berg von Plastikgranulat/Pellets aus PE oder PP
© black_kira - adobe.stock.com

[1] Umweltzeichen Blauer Engel für Produkte aus Recycling-Kunststoffen, Hintergrundbericht zur Überarbeitung der Vergabekriterien DE-UZ 30a, Ausgabe Januar 2019, https://www.umweltbundesamt.de/sites/default/files/medien/479/publikationen/2020-07-02_texte_124-2020_vergabekriterien-be-kunststoffrecycling.pdf

[2] COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS, A new Circular Economy Action Plan For a cleaner and more competitive Europe, COM/2020/98 final, https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1583933814386&uri=COM:2020:98:FIN

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