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🛠️ Mold like a pro, cast like a boss!
Smooth-On Mold Star 30 is a platinum silicone rubber that cures to a tear-resistant, durable mold with a Shore hardness of 30A. It offers heat resistance up to 450°F, a convenient 1:1 mix ratio, and a 6-hour cure time, making it perfect for casting wax, gypsum, resins, concrete, and low-temperature metal alloys without the need for vacuum degassing.





| Asin | B00ETAY8RI |
| Brand Name | Smooth-On |
| Color | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (703) 4.6 out of 5 stars |
| Item Dimensions | 19.1 x 15.2 x 7.6 centimeters |
| Item Weight | 1.12 kg |
| Manufacturer | Smooth-On |
| Manufacturer Part Number | moldstar30 |
| Material Type | Silicone |
| Model Number | COMINHKR067156 |
| Number Of Items | 1 |
| Number Of Pieces | 1 |
| Shape | Star |
| Unit Count | 1 Count |
| Upc | 751635227415 |
User
Survived my chaos and still made a perfect mold
I bought this for a “quick little project” which somehow turned into me panicking, spilling silicone everywhere, trapping objects in glass containers, and questioning my life choices at 2 AM.And honestly? This silicone still performed beautifully.The mix ratio was easy enough that even a sleep-deprived beginner could handle it, the bubbles were minimal, and the cured mold came out flexible, strong, and super detailed. I used it for casting decorative pieces and it picked up every tiny texture perfectly.Biggest surprise: it actually gives you enough working time before curing, so you’re not fighting the clock like in some other products. Demolding was also way easier than expected.A few helpful notes for beginners:* Mix slowly if you want fewer bubbles* Don’t underestimate how well this stuff sticks around once spilled* Use gloves unless you want “mysterious silicone fingerprints” on everything you own for 3 daysOverall, excellent product. My project survived, my sanity mostly survived, and now I want to mold everything in my apartment.
User
Warum nicht mehr angeboten
Produkt ist super.Warum wird nicht mehr angeboten.Benötige dringend 2x
User
Easy to use, strong, excellent detail capture
Easy to use, great working time and strong upon curing. It's also well worth mentioning that the level of detail you can capture with this product is mind blowing. Work as advertised, and intended which is ideally what you want for any product at the end of the day.
User
Simple to use and efficient
The product is easy to mix (use a scale), the mix of colors tells you when ready to use, it is tick enough to hold itself but will fit the tiniest crack, will cure in 4-6 hours (I added an infrared heater to help), will detach easily and remain flexible, solid and firm after curing. I use it to duplicate concrete wall stones and it works very well.NB: Make sure your structure has no leak otherwise the liquid rubber will seek through.
User
Moldes de silicona
Me a parecido pequeño…y el prospecto en inglés…así que me tendré que buscar la vida…pero gracias de todos modos 👍👍
Trustpilot
1 week ago
2 weeks ago