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Evonik's sustainable transparent PA first used in branded glasses
Source:Adsale Plastics Network    Editor:JK    Date:01.Jun.2021

Safilo, a leading Italian global eyewear design, manufacturing, and distribution company, will be the first eyewear manufacturer to introduce TROGAMID myCX eCO, a sustainable transparent polyamide optimized specifically for the optical industry and introduced by Evonik Industries in March, in the licensed market for premium lenses for sunglasses.


The high-performance polyamide is produced partly from a bio-based monomer and entirely with renewable energy, reducing its carbon footprint by 50%.


"This innovative transparent polyamide will enable Safilo to increase the sustainability of its products across its broad portfolio of brands," said Vladimiro Baldin, Chief Licensed Brand and Global Product Officer at Safilo Group. "We are pleased that for Evonik, just like for Safilo, sustainability is an integral part of the business philosophy and that the company provides us with this material as another building block on our path to sustainability."


Safilo produces first branded glasses made from Evonik's sustainable transparent polyamide TROGAMID myCX eCO.

Safilo will launch eyeglass lenses made of TROGAMID myCX eCO in January 2022 with the BOSS Spring Summer 22 collection and gradually expand its use across its broad brand portfolio, especially in its Made in Italy brands.

"It was particularly important for us to offer a premium manufacturer like Safilo a sustainable polyamide whose properties differ in nothing from those of the TROGAMID myCX they already use," stated Viviane Papa, who is responsible for Evonik’s high-performance polyamides granules and compounds business. "We are working in many areas to make our products sustainable, but their quality must not suffer in the process."


According to Viviane Papa, premium lenses or high-quality visors for ski and snowboard goggles made of TROGAMID myCX eCO stand for long durability and high safety, as well as good wearing comfort due to the low material weight. The material offers transparency of more than 90%, good mechanical properties, stress crack resistance, and fracture strength.


TROGAMID myCX eCO is a high-purity microcrystalline high-performance polyamide specially optimized for the optics industry. The name eCO stands for "eliminate CO2". On the one hand, this is achieved by replacing a petrochemical-based raw material with a biomass-based one. In the mass balance, this results in a proportion of 40% biobased raw material in the polymer.


Secondly, only renewable energy is used in the production of the granules. This and the resulting halving of the carbon balance compared with the fossil-based product are confirmed by a certification from TÜV Rheinland. The analysis was prepared in accordance with ISO 14040 and ISO 14044 and includes the Cradle to Gate stage.


TROGAMID stands for a product family of transparent polyamides that have been successfully used in the optical industry for over 20 years. The portfolio includes innovative high-performance plastics for lenses and frames as well as other materials, for example for UV protection or pole films for high-contrast vision.



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