what would you call a new safe material??

Question: what would you call a new safe material??
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Asked by Mad scientist to Baljit on 7 Nov 2015.
- Baljit Ghatora answered on 7 Nov 2015:
  
  A new material in my eyes is something that has not been developed before,something that does not have a patent on it or has not been published before.

Question: what would you call a new safe material??