– EPDM 70 ShA black, code 4270, already approved according to numerous drinking water regulations;
– HNBR 70 ShA yellow, code 0612, already approved for gas according to EN549 and for drinking water according to WRAS BS6920.
HNBR 0612 is mentioned in DVGW’s H2 ready database.
https://lnkd.in/dQqifht3.
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