
1) Brand name material
Found on
https://www.crosswordclues.com/clue/silastic

Silastic (a portmanteau of `silicone` and `plastic`) is a trademark registered in 1948 by Dow Corning Corporation for flexible, inert silicone elastomer. ==Composition== Today, the Silastic trademark refers to silicone elastomers, silicone tubing and some cross-linked polydimethylsiloxane materials manufactured by Dow Corning, the owner of the...
Found on
http://en.wikipedia.org/wiki/Silastic

(sĭ-las´tik) trademark for polymeric silicone substances that have the properties of rubber but are biologically inert; used in surgical prostheses.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.