Silicone Mold Making Kit – Creative Silicone Molds for Art Projects and DIY – Includes Silicone Liquid Rubber Compound – Ideal for Copies, Home or Industrial Use (2.5 Lbs. - 40 oz.)

usually I use another brand...but I decided to give it a try with this brand of silicone ...I use it to make molds out of real crystals and then I use the molds to fill it with resin....the package is very practical.no smell...part a and b are not that viscous so it's very easy to pour.easy to mix within 3 minutes everything is ready..and you will see it because there are different in colour, one is white and the other is purple....no bubbles....so you don't need a vacuum chamber ....after pouring you wait 6 hours...I left it over night and next day I removed it...it was very easy... and then I poured the resin and after it cured there was no problem releasing the resin piece from the mold and it picked up all the details and shine from the original crystal...so over all it was a success ...so if I have any update i will share it but for now everything went so smoothly ...here is an update....they said the working time is 30 min and cure time is 6 hours.....for me the working time is 10 min and the curing time is 3 hours.....i live in a place when the temperature in my house is 25 C..... so maybe that's why it's curing fast...other than that it's ok....i'm using it for resin and it's working great.

Mixed per instructions, no bubbles and cured within hours. I use this silicone to make molds from my wood carvings to then cast replicas with plaster. The molds came out very good and captured all the fine details and so far the plaster castings have come out great. Since I have only cast a couple of parts so far so I don't know how well my molds will hold up. I also intend to try casting with epoxy but have not tried that yet. That is why only 4 stars for Durability. I only gave 4 stars for value only because I wish the containers supplied were actually full. I would like to be able to make more, or larger, molds for the moneyr. I plan on placing another order.

Pros: Good value, there's a lot of product!Very forgiving formula if you don't measureexactlyVery dense, solid result after curingNo worries about air bubblesCons: Messy, esp if using small amounts at a timeMore friable than a standard silicone moldyou might buy - more like a rubber moldDoesn't cure in 6 hours as statedI bought this for my resin crafting, and it's a bit too friable for that purpose. I tore a spot in one mold I made on the first use as I demolded my resin cast. My other molds have held up for several castings, but I don't think they'll last forever. I have to be super careful demolding that I don't stretch the rubber too far. I also do small casts, mainly for jewelry, so I'm using about 2 ounces at a time. These are large jars to pour from, and inevitably some drips down the side, and it's very slick and sticky when not blended 1:1. Both jars have a slick coating on them now (I have about 6 ounces left to use in the jars) and have to be kept in a plastic bin so as not to ruin the surface that they are sitting on. The label states that these have a short shelf life, so I'm using them as quickly as I can; however it's been about a week and as long as I carefully reseal the jars after use they seem to still be working fine.I was concerned about the amount of air bubbles present after mixing 1:1, but the instructions said not to worry so I just went ahead and used the bubbly mixture. I've had no issues with air bubbles messing up my molds. After a few uses I started using a heat gun and just flashing it over the surface to pop the largest bubbles on top - literally just wave it over, as if you use it for any longer the surface will start to cure (and then I worry air won't be able to escape from below the cured surface "skin").I also have repeatedly checked my molds after 6 hours and they are still tacky to the touch and not ready to remove. I've been letting them sit overnight and they're solid in the morning (more like around 10 hours). Not an issue for me, but if you're buying this and counting on it being ready for use in 6 hours, it won't be.All in all, a good product! If you're using resin, though, you probably want something a bit stretchier.

I bought this silicone a while back for making dice molds, and it does a great job. The main reason I chose this silicone was because it uses a 1:1 mixing ratio as opposed to having to add X drop of catalyst to Y ounces of silicone.Not only are the molds durable, they also capture all of the fine details that I need. Of course, while the silicone is thin enough to remove most air bubbles, it would still be a good idea to put it in either a vacuum chamber or a pressure pot while it cures just in case.Also, for all of those wondering, this silicone is platinum cured. This means that it will not cure properly when poured over a positive made using a resin 3D printer. Well, not unless you apply a specialized coating first.

This is a great product for making molds for Casting simple and easy to use, it captured details really really well. i should have probably used a small perfect size container so i wouldn't waste so much excess mixture:( but i guess you also need to make sure you have enough to ensure a full cover of the mold. mixing is equal ratio so i had no problem measuring, and the fact that each component has its own color, means that it's super easy to tell when it's been mixed properly, original comes out easy, also personally i had no air bubbles, would deferentially purchase again.

This was a first for me. I've never made a mold before. I put together Christmas villages and all the little set pieces (walls etc) cost a fortune if I had to buy all of them. I tried this and it came out perfectly. The mixing was stupid easy and the mold came out perfectly. I let it cure for the required 6 hours then removed the item I was molding and let it cure another 18 hours before using. I did a hydrocal plaster mixture and the level of detail in the mold was just like the original for a fraction of the cost.In the picture, the top is the piece of wall I molded. Middle is the mold itself and bottom is the plaster result! Perfect for my village plan for this year.