Page 28 - Plastic News November 2023

bio-based and recycled raw materials cessing companies to make informed that are highly comparable to those of
comparable to that for conventional decisions when selecting materials in fossil-based TPEs. The new products
base polymers. order to produce and market more include solutions such as compounds
sustainable products. This aspect is with adhesion to PP, ABS/PC and PA
Using bio-based TPEs can reduce a currently of interest in all markets within a hardness range between 30
product’s carbon footprint (PCF) by where there’s a demand for materi- and 85 Shore A. Individual compounds
up to 50 percent as compared to TPEs als with reduced carbon footprints. By have a bio-content of more than 60%.
made of fossil-based materials. PCF using renewable raw materials in the Both compounds with adhesion to PP
refers to the total amount of green- production of bio-based TPEs, KRAI- and to polar materials can be colored.
house gas emissions, particularly car- BURG TPE is actively helping custom- The materials have been thoroughly
bon dioxide (CO2), associated with ers to achieve their sustainability tar- tested in injection molding and extru-
the production, usage and disposal of gets. sion and have processing properties
a particular product or service. Trans- comparable to those of fossil-based
parency and understanding the PCF Bio-based TPEs provide neutral odor, TPEs.
can enable end customers and pro- touch, grip and adhesion properties

Virgin Bio-based Virgin Bio-based
Proportion of bio-based materials n. a 50% n. a. 63%
Adhesion (N/mm) n. a. 3.5 D (PP) 6.1 D (PA6) 5.7 D (PA6)
Hardness 60 Shore A 62 Shore A 65 Shore A 59 Shore A
Density (g/cm³) 0.880 0.865 1.200 1.149

Tensile strength (MPa) 6.5 5.3 4.6 4.0
Elongation at break (%) 750 671 421 484
PCF (kgCO e/kg)* 2.61 1.59 2.19 1.47
2
Assessed within the cradle-to-gate “With bio-based TPEs, we are filling a enable us to make the transition from
system boundary, in accordance gap in our portfolio and taking another fossil-based to more sustainable raw
with DIN EN ISO 14067 and based step toward more sustainable TPEs. materials,” sums up Dr. Tobias Brück-
on the principles of DIN EN ISO Our bio-based TPEs provide more ner, Project Manager Advance Devel-
14040/14044 and the GHG Protocol. sustainable solutions, while maintain- opment at KRAIBURG TPE.
The values contain biogenic uptake, ing the usual performance and reduc-
transport, packaging and compound- ing the product carbon footprint. We
ing. are looking forward to projects that

Perstorp receives a gold medal for sustainability from EcoVadis

almö October 26, 2023 - Per- 100,000 rated companies. Perstorp showed progress in three of
Mstorp has advanced to a gold "EcoVadis today is the standard for the four evaluation areas during 2023
medal by EcoVadis for the year 2023. ESG ratings within the chemical in- –– Environment, Labor & Human
This means that, when it comes to dustry and is the selected partner Rights, and Sustainable Procurement.
sustainability performance, Perstorp for sustainability assessments for To- "We have seen advancements in the
now ranks in the top 5 percent of the gether for Sustainability. The fact that most heavily weighted areas Environ-
industry. we've received more than 100 inquir- ment and Labor & Human Rights,”

Since its founding in 2007, EcoVadis ies from customers seeking our Eco- notes Berggren. “Moreover, our
has grown to become the world's Vadis reporting in recent years shows progress in Sustainable Procurement
largest and most trusted provider of the value it brings to the value chain," places us among the top 4 percent of
business sustainability ratings, creat- says Anna Berggren, Vice President chemical companies globally.
ing a global network of more than Sustainability.

28 PLASTICS NEWSASTICS NEWS November 2023
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