Rubber: Ethylene Propylene (EPDM or EPR), Ozonated and Chlorinated Water Resistant, NSF-61 Compliant, 75 to 85 Type M Hardness, For Seals in Potable Water Systems AMS7288

This document will compile and harmonize the performance requirements of elastomeric seals in potable water systems. Suppliers who have certifications equivalent to NSF 61 can qualify to produce both the ethylene propylene rubber compound and O-rings.