Molding Resin?

[toddmichael]

Good Morning All;

Made bangle prototypes for a customer and assumed that using the RTV rubber would be ok. But I was informed last night that both master bangles were destroyed
and that the B9 cherry resin stuck to the pink RtV rubber and is unusable.

I cure the Cherry resin over night, hour on, hour off, and so on. So a total curing of three hours. The pieces don't feel tacky or anything.

Need some quick solutions for this, should I being having them coat the resin prints with lacquer spray paint, some other paint, something to harden the surface? Use a different kind of rubber? Be printing the master pieces
in a resin other than Cherry?

Suggestions much appriciated.

Toddmichael

[toddmichael]

oops images

[ken3dcad]

Some of the guys on the 3dcad forum are using the low temp silicone rubbers with success. I would have thought RTV rubbers would be fine. Very odd.

[toddmichael]

Ken;

I saw the mold and the destroyed master and I was really confused. I think it was more of a poor mold cutting than anything else. He never ever tried to inject the mold, I think he was upset he destroyed
the master bangle in resin.

Toddmichael