Iam running a production of black 1/4 firesleeve for egt wire protection
It's black and fiberglass woven material with a smooth silicone finish,it will provide a very good insulation for continues use of 500 F.
I mfg for Aircraftspruce.com, they stock my 5/8 and 3/4 I.D. size
1/4 ansd 3/8 and 1/2 will be coming to there catalog soon
I can send it out for 3.75 shipped per Foot
I did want to use sprial wrap or convolouted poly on the back firewall because of the High temp of the Turbo
let me know
Gee-Bee
[email protected]