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Composimold Reusable Mold Making Material 32 Ounces-

4.8 out of 5 stars 4 customer reviews

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  • Reusable Mold Making Material
  • Works with plaster, concrete, wax, soap, and urethane resins
  • Environmentally friendly molding material
  • Melts in your microwave
  • 1 part molding material-no mixing or weighing
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Product Description

COMPOSI-MOLD: ComposiMold-LT Mold Making Material. This amazing compound is a flexible; rubbery; molding material that can be melted; poured and reused over and over again. Create jewelry; beads; hobby & craft items; model parts; and so much more. This package contains 2 pounds (32 ounces) of ComposiMold. Conforms to ASTM D4236. Made in USA.

Product Information

Product Dimensions 6 x 6 x 6 inches
Item Weight 2 pounds
Shipping Weight 2.4 pounds
Manufacturer ComposiMold
ASIN B005O1VX3I
Customer Reviews
4.8 out of 5 stars 4 customer reviews

4.8 out of 5 stars
Best Sellers Rank #2,115,824 in Home and Kitchen (See Top 100 in Home and Kitchen)

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Top Customer Reviews

I got this with the intent of replicating small objects with some detail.
So far, I've used it on one piece, and it's already paid for itself. Using it was simple. My first item was medium complexity, with a deep well in the middle, but no overhanging parts. There was one area of the item that was shaped to receive a second piece that had to have close detail.
I melted the material in a microwave over about 4-5 minutes (one minute increments), and poured it over the item which has been treated with vegetable oil as a release agent. It took a while to cool, and when done, the item released easily.

I attempted to use JB weld to create the new item, but it was too thick, and I ended up pouring epoxy. The epoxy item worked well except for 2 air bubbles.

This is easy to use, reusable, and does a good job replicating what you need. I'm very happy with it.

Some hints:
1)Use vegetable oil as a release agent. It works well, and is readily available (I used Pam).
2)It may stick to the container into which you pour it. So be ready to cut away the container to remove the mold.
3)Download the starter kit PDF. [...]
4)Don't be afraid to mess up, you can always remelt it.

Overall a great product, which I strongly recommend.
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If you are a plastic modeller, this is for you! I've been using it to cast wheels and tires for a car model and it is an excellent material as it isn't prone to air bubbles or incomplete filling on masters like regular silicone is prone to do. It takes impressions of every minor detail.

It takes a bit of 'playing with' on non critical parts to learn how to deal with it as far as temperature (too warm will warp polystyrene masters) it pours like thick Honey, after a few minutes of learning it's limits, it is well worth having a tub on your modelling desk. About 1 minute in the nuker melts it enough to pour a tire mold which sets in less than a minute. Being reusable it is a good long term value and a good investment.
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I was looking for a product to make some molds out of, I saw this on Amazon and decided to give it a try. I could not have been more pleased with the results. It works exactly as advertised. Thanks Composi-mold & Amazon
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I bought this because the other mold making chemicals are expensive for the volume they allow. Being able to recast the mold multiple times is the main reason to go Composimold. The high temperature required for remelting it made it unsuitable for some of the molding I needed it for, and there was some difficulty doing the more intricate designs because of the air bubbles it liked to accumulate during the heating. Otherwise, it performed quite well during the 30 or so times I used it.

It's not a perfect alternative, but it was worth it for the price.
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