I don't know if this can be used as anti-seiz material, but I would suggest to you to be carefull !!!!!.
if melting point of antimony is close to the working temperature of your working peice, then it might cause a catastrofic failure due to a Phinomenone called Lequid Metal Embretelment...
Dear Rob,
You might wont to try Hi pressure hydrublasting with a gun at 30,000 psi to 36,000 psi.
we use hydrublasting to cleen big solid chunks of polymers
& it works fast & wonderfull. Their are so many hydroblasting cleaning companeys that would be very pleased to demonstrate their fast...
Dear,
you can have 2 PSVs with a 3 way diverter valve before the PSVs, this way ,you can allways have the needed protection while calibrating one of the PSVs.
Regards