Vigor brand heat shield is great- reusable to some extent,if just for
holding things in place while setting. Soldering clay is essentially
investment but has refractory advantages if you're going to be
applying heat to the fixed piece Siliquar containing heat shield (now
i think it is called "place-it") works most excellently too.
For repetitive production work Impressionite is a cut above the
regular jett-sett and my personal preference for large or odd pieces
as well as repetitions of a process.One just has to put it on
slightly more heavily than is recommended. A close 2ed to
Impressionite is the softer form of jett-sett. There is a surplus co.
www.sciplus.com, that sells a similar thermoplastic to regular jett
sett but is black when dry and turns to grey when softened and is a
fraction of the cost of jett-sett basic..
I still like messy gloppy pitch and plaster though if i really want
something held tight and another project is in one of the benchmate
holders..and the piece requires the use of gravers (in which case i
put blue painters tape over the stone if it has been set,or is at
least temporarily set)
The thing about jett-sett that is nice is its multitudinous uses
beyond the studio,however..the white colour can throw a lot of glare
on a piece-for my eyes at any rate. Comparatively, the vigor heat
shield or siliquar pastes are essentially dedicated to only one use.
so i have a collection of consumables from orange flake shellac, to
pine pitch gathered off of very old pines, to pre-prepared burgundy
pitch, black pitch from the feed store, to jett-sett, siliquar,vigor
heat shield, and Alvin brand heat block from the welding supply
house (equivalent of siliquar containing 'place-it' at a fraction of
So I say it depends on what you are doing with the workpiece that
dictates the fixturing compound,and/or heat shielding properties
necessary s to which product I choose for a given operation.There is