Siraya Tech Defiant 25 Platinum Silicone Mold Making DIY Kit, Food Safe, 25A Hardness, Ideal for 3D Printer UV Resin, Easy to Stop Curing Inhibition, No Coating, for Casting Epoxy Resin (35.27 Oz)

I picked up the Siraya Tech Defiant 25 Platinum Silicone kit to make dice molds for my resin projects, and honestly, I was impressed from start to finish. I’ve tried a few different silicones over the years, but this one stood out for a couple of reasons. Easy Mold Making, Even for First-Timers Mixing the silicone parts was genuinely straightforward—just combine, mix thoroughly, and pour. I wasn’t worried about missing the pot life or it getting too thick way too fast. What really sold me was how smoothly it flowed around my dice masters and settled into all the small details. If you’re worried about bubbles or fine print not coming out, don’t be; the results were crisp. No Curing Headaches One of the frustrations with making molds using 3D printed pieces is the risk of curing inhibition, but this silicone just worked. I didn’t need to coat my models or do anything special; it cured perfectly next to my UV resin prints—no sticky spots or half-cured messes. Awesome for Dice The 25A hardness is just right—it holds its shape but doesn’t feel like a brick when you’re demolding. My finished dice popped out cleanly, and the molds have lasted through a few sets without stretching or tearing. The translucency of the cured silicone also made it easy to check for air bubbles before the mix set up, which saved me from having to remake molds. Works Seamlessly With Siraya Tech Fast Navy Grey Resin A huge bonus for me has been using these molds with the Siraya Tech 2kg Fast Navy Grey resin. The silicone and resin work together perfectly—no curing issues, and the detail from the mold comes through clearly in the final casts. The Fast Navy Grey resin cures reliably in these molds without sticking or leaving any residues, so every dice pour came out crisp and clean. Great Value & Size The amount in the kit is generous, and I got several dice molds out of one batch with some left over. For anyone making custom dice, the kit’s size and ease of use make it a practical, reliable choice. Would I Recommend It? Absolutely. If you want an easy mold-making experience—especially for detailed work like dice or resin crafts with popular resins like the Siraya Tech Fast Navy Grey—I’d say give the Siraya Tech Defiant 25 a shot. It took the stress out of the process and gave me professional-looking results with less prep and cleanup.

3Dプリンタで成形したものを、大量生産と考え、シリコンモールドを初めて作りました。扱いやすく、とても簡単に作れました。リピートしてます。

DECIDED TO GIVE THIS A TRY SINCE I USE THEIR FAST RESIN FOR PRINTING. THE SILICONE MIXED WELL AND WAS EASY TO POUR. NO INHIBITION PROBLEMS WHEN CURING. A STRONG 25A SEMI TRANSPERENT SILICONE. GREAT DETAIL.

Ottima funziona molto bene

I ordered this silicone to try casting a mold in a 3D printed mold. The mold was printed in UV resin and that resin reacts (even if cured ) with the silicone and prevents it to become hard. It stays gooey and sticky. However, any batches that I made in other mold types worked perfectly. Once cured that silicone is super tough and hard to break. Very good product. Will need to investigate methods to prevent resin mold contamination of the silicone. The vendor website provides tips.