this post was submitted on 06 Jun 2025
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Clacksmith

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mold made with SiliNOT!

So I found a decent work-around for cure inhibition. SiliNOT! is a reusable silicone substitute for mold making.

It melts at temperatures above 130°F (54°C), but they suggest not going above 150°F (65.5°C), as the material breaks down at 180°F (82°C). It can also be thinned with a small amount of water for detailed parts (I add water as it begins to melt and stir in as it melts further).

While it is only good for 1-2 pulls, the material is re-meltable to re-cast as needed. I use it for recently printed SLA masters, as I am too impatient to wait for photoinitiators to "burn off" and waste way too much silicone.

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[–] threelonmusketeers@sh.itjust.works 1 points 1 month ago (1 children)

Cool! What class of polymers is SiliNOT! made from?

[–] WoolyNelson@lemmy.world 2 points 1 month ago (1 children)

Unsure, but I found this on their site: "SiliNOT! Non-Toxic is produced with food safe ingredients. Food-Contact Safe only applies when SiliNOT! Non-Toxic has been used exclusively with food safe casting material. Keep out of reach of children when heated. May contain food allergens. Contains citrus ingredients."

Huh, so maybe some sort of algae or pectin derivative...