Monday, August 12

Experimenting with the NEW Amazing Mold Rubber... by Susan M. Brown

Good evening everyone! Susan here, proud Creative Team leader and also superfan of Amazing Crafting Products. Earlier today we introduced the NEW Amazing Mold Rubber into the Amazing Crafting Products family. I have been patiently waiting and secretly keeping my new love – Amazing Mold Rubber a secret for months now. I have been molding and casting and today I can share my creations with this new tool that I'm certain I can't live without. Today I'm sharing a few of my first experiments using Amazing Mold Rubber.

Amazing Mold Rubber is an easy to use, high strength liquid silicone mold making rubber that is strong, soft and flexible - great for undercut parts and cures in approx. four hours. Amazing Mold Rubber is a two-part liquid rubber used to make extremely elastic molds to produce quick and exact reproductions of your original. Replicas can then be cast in Amazing Casting ResinAmazing Clear Cast Resin for plastic parts - or use other materials such as plaster, wax, clay or polyester.

So What Do I Make with This???

I knew of silicone molds, but personally had not worked with them first hand in my resin work. I had no idea what joy and excitement I had in store. So it was suggested to me to experiment first my molding a few small items with Amazing Mold Rubber, and also mold a thing or two that I had previously molded/cast using Amazing Mold Putty. There is a distinct and visible difference – and in the process I learned there are also things that are perfect for the silicone, and others best suited for molding with Amazing Mold Putty.


The Amazing Mold Rubber is a two part mixture 10:1 ratio silicone to catalyst which requires some preparation of your items and creating or gathering a box to contain the silicone in liquid form. The liquid silicone cures in about 4 hours {slightly longer for thicker molds}. I first selected an assortment of small items that I hot glued to a plastic lid from a takeout soup container that was approx 1/2" deep. The items need to be secured to the base so they are unable to float away in the liquid silicone, and the vessel deep enough so the items are competely covered {and then some}. The photo on right is the cured mold and the resulting duplicates cast in Amazing Casting Resin. The assembled buttons with gears and opened center finding did not mold properly, mainly because there were holes in the items where the silicone could flow into - making it unable to remove without tearing mold. In this case my layered gear buttons, and the other open center finding are better suited to a mold using Amazing Mold Putty. The dominoes, faceted bead and winged button came out identical to the originals.

Now on to something I have molded before...

I'm molding one of my vintage stamp handles. I prepared a container {a plastic cup with bottom removed hot glued to a plastic plate}, then mounted stamp handle in place. I had a large area that was not being utilized so I decided to make use of the space and added a small vintage cologne bottle to the side. After mixing a batch of Amazing Mold Rubber, I slowly poured over the two items. I let it settle and gently poked around items with a dowel to release air bubble.


I needed to add a little height to complete my pour, so I wrapped a couple layers of scotch tape around the top of the cup to hold in the extra silicone. This did the trick. I set aside to cure for about 24 hours. Due to the thickness of this mold, it took about 36 hours to fully cure. On right is completed mold released from containment and tape removed.


I found that a thicker, more dense mold such as this one is not so flexible and I did have to slice down the sides to pry my cast items out. Not a problem, the silicone makes a tight seal to itself. When I pour another set, I place the mold into a matching plastic cup from which I created it and it closes the gap nicely.

Original items side-by-side with first casting using Alumilite silver and gold metallic powders and Amazing Casting Resin. The detail and clarity is superb... YES the gold metallic is that GOLD! These cast items are unsanded and not polished – straight from the mold. With these early experiments, I have become familiar with this new tool and provided me with valuable information in creating molds going forward. If you have more questions, please leave comment below and I will reply.

The two stamp handles resting with ink pad were originals molded using Amazing Mold Putty; in contrast with the one in my hand molded using the new Amazing Mold Rubber filled with multicolored seed beads in Amazing Clear Cast Resin. I sanded and buffed my original handles for many hours to get a polished look I was happy with... no comparison to the finish that the Amazing Mold Rubber silicone produced immediately. I've got quite the custom set of stamp handles going now. Whenever I have some extra resin... I pour another custom handle ;)

What items would you like to cast

I encourage you to stroll around through the many AMAZING projects from our Creative Team members for more great tips and ideas! If you would like to see more of my creations, please visit my blog sbartist : painting in the dark by clicking here. ~ Susan

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Thanks for stopping by and have a fantastic evening!

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  1. This rubber would be perfect for the shells I want to cast.

  2. WOW! Totally loving this project as I'm a stamper too!

  3. awesome article about the making of stamper in rubber molding useful procedure to do these kind of product in rubber thank you for this information.

  4. What's the ratio u used on the metal powders? And how much of this do I need if I want to mold something that is about 13" tall 3wide

    1. Chris - I used a very small amount as I only brushed it onto the surface of the mold. You could mix it into the Clear Cast Resin, but in the Amazing Casting Resin {that is opaque white} it sort of gets lost.

  5. I'm using this product to make a two-part mold of a sculpture: what should I coat the cured half of the mold with to prevent the second pour from sticking to it?

    1. You need to use a rubber to rubber mold release. Alumilite has two kinds the "Rubber to rubber" mold release liquid and also UMR which is an aerosol spray. You can use petroleum jelly in a pinch, though you need to be vigorous in application and you probably don't want to get any of that squished against object being molded as that may become captured as part of mold surface.


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