https://www.plastech.biz/en/news/tag/engineering-plastics-149 · 28.07.2026

Engineering plastics
News Plastech

Siemens and Envalior develop bio-based housing for Sirius 3RQ4

Siemens Smart Infrastructure introduced Sirius 3RQ4 coupling relays with housings made from Akulon K225-KS B-MB, a PA6 grade from Envalior containing 70 percent bio-based content sourced from used cooking oil via mass balance. The series offers three variants and meets Siemens EcoTech criteria.

polyamide (PA)