19-0614 v3.X Permissibility of ETFE

Question:

We would hereby like to query the potential use of Ethylene Tetrafluoroethylene (ETFE) for use in a specific context in our project.  
The Project Team note that the Imperative 10-Red List does not specifically mention that ETFE cannot be used in projects, however, the Project Team has noted that a hydrochlorofluorocarbon (HCFC) (in this case Chlorodifluoromethane) is used in the manufacturing of ETFE, which we have detailed below for ease of reference. 
ETFE is however also known for its considerable environmental construction and performance benefits, which we have detailed further below in this clarification. The Project Team have therefore queried whether the use of ETFE can be used in a specific context with our project, specifically in the [event space] which is meant to demonstrate innovation, creative thinking, future building spaces and future trends. This will amount to around 400m2 of the facility being covered by ETFE out of a total of approximately 4000m².
Answer:

Project teams are required to review product ingredients down to the CAS number. ETFE has its own CAS number, 25038-71-5, which is not on the Red List for 3.1. ETFE may therefore be used on the project, with required documentation.

Answer modified 6/25/19. 

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