I produce a significant number of Molds every year most of which are
Vulcanized Rubber. On occasion, I use RTV compounds, usually because
of the temperature limits associated with the Master; Plexiglas, Wax,
Alloys that cannot withstand 310 f, Rubberized Toy Models, etc…
Being a impulsive individual and one who wants quick turnaround, I
really don’t like the time delays associated with the curing of the
RTV type products.
Several months ago I ran across a thread here on the forum from Jul
10 2006 where Michael from Castaldo offered some samples of their Wax
Viscosity Reducer. Since I had that problem, I called and chatted
with Michael about the offer. He asked me what other challenges I was
facing and I told him the story outlined above.
Making a long story short, when he sent me the Wax Additive he
included a sample of the Castaldo VLT (Very Low Temperature) Rubber.
Not wanting to waste it, I put it on the shelf until last weekend.
The results were GREAT. I had a rubberized toy (small pig) that a
friend of my wanted me to make a mold of the head and mount it on a
ring shank to ultimately produce a Sterling Ring for her. The process
that would have normally taken me 3 days to do with RTV was
accomplished in 24 hours start to finish.
Although I won’t use nearly as much of it as I do the standard
products, my hats off to Michael for removing yet another of my
obstacles. RLW (caster at ix dot netcom dot com)
USUAL DISCLAIMERS ASSOCIATED WITH NO CONNECTION WITH THE
MANUFACTURER ONLY A SATISFIED CUSTOMER