LET'S RESINLET'S RESIN Silicone Mold Making Kit 30A - Blue 2 Part Liquid Rubber for DIY Resin Projects - 1:1 Mixing Ratio (20.8oz)

Making the mold was easy, can be very sticky and hard to wash the stickiness but it does as advertised. If you plan on cutting through the mold it becomes way stickier and you cant just wait for the insides to become solid again it will stay that way. I recommend using gloves.

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This silicone rubber is very easy to use, like most, it's a 1:1 ratio. It's got a pretty low viscosity, so this works really well for picking up the fine details of your positive. On the other hand, the low viscosity also means your mold barrier needs to be nearly water tight, which can be tricky for a novice just getting into creating free form molds. With other silicone rubbers I've used, I was able to get away with using plastilina and popsicle sticks for my mold barriers, as they were a bit more viscous and didn't leak out any of the small cracks that may have been present. This silicone rubber leaked out of every miniscule air gap in my rudimentary mold barrier. I just let the bottom layer set up a bit and topped off my mold again, and it turned out great. Next time I'll know to be more mindful of water tightness when using this product. It does take a little longer to set than some of the lower viscosity rubbers, but once it sets it's very flexible and feels durable. Haven't run a pull yet, but I'm hopeful I'll get many more pulls with the mold from this product than some of the others I've used. Will definitely be purchasing more in the future

Disclosures & parameters: I have a degasser and I used an electronic paddle mixer. Mixed by weight. Room temp. 45% humidity.I have never made molds before. They turned out great and set perfectly. One or more of the bad reviews mentions poor setting. While they send you measuring cups (a little misleading), it says to measure by weight, not volume. I'm guessing that was the issue. It does say "by weight" in the instruction. Strong, super tough mold. I will be buying this again. I don't see a reason to try anything different.

It is easy to use and cured within the specified time. This is my first time exploring silicone mold material, but it seems to be pretty pricy -- I got a small set from the local craft store and they are more expensive per ounce, in comparison. It does take some getting used to with the experiment. You do get better as you work more with the material.

Works great.

If you can follow instructions, it's a breeze to use.