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  • xxfireboy commented on Lonecoon's instructable Using Silicone Caulking to Make Molds7 months ago
    Using Silicone Caulking to Make Molds

    LonecoonPlease post some pix of things you have made from your molds!My two cents on "Mold release".For a mold release using epoxies I use Johnson's past wax. I've not had a need for a mold release agent while using silicone, yet. But, I would surly give it a try because a can of Johnson's past wax will last forever just using it for mold release.If you do try the wax apply the wax two times to the mold before using the mold. Apply once and let it dry a few moments(ten to fifteen) and then apply the second time, and let it completely dry before using to mold.I use epoxies to bed rifle barrels/actions into their wooden or synthecic stock. This gives a skin tight fit of the barrel to the stock which helps improve the accuracy of the rifle. To be able to get the barrel/action bac...see more »LonecoonPlease post some pix of things you have made from your molds!My two cents on "Mold release".For a mold release using epoxies I use Johnson's past wax. I've not had a need for a mold release agent while using silicone, yet. But, I would surly give it a try because a can of Johnson's past wax will last forever just using it for mold release.If you do try the wax apply the wax two times to the mold before using the mold. Apply once and let it dry a few moments(ten to fifteen) and then apply the second time, and let it completely dry before using to mold.I use epoxies to bed rifle barrels/actions into their wooden or synthecic stock. This gives a skin tight fit of the barrel to the stock which helps improve the accuracy of the rifle. To be able to get the barrel/action back out of the stock, and prevent the epoxy from cementing the barrel to the stock I use the past wax on the whole barrel, the screws and thing that the epoxy will be touching.The fit between barrel and stock is so tight I have to use a mallet to pound them apart 99% of the time. The Johnson's past wax works great. I get a complete release of everything I apply the wax to. I too used mold release before I found out about the wax, and I spent a few bucks before, now it's just pennies!From all the tests I've ran the wax has to be applied two time or more. Applied once will not work, I think it's because the epoxy gets really hot!

    Mold release.For a mold release using epoxies I use Johnson's past wax. I've nothad a need for a mold release agent while using silicone, yet. But, I wouldsurly give it a try because a can of Johnson's past wax will last forever just using it for mold release.If you do try the wax apply the wax two times to the mold before usingthe mold. Apply once and let it dry a few moments(ten to fifteen)and then apply the second time, and let it completely dry before usingto mold.I use epoxies to bed rifle barrels/actions into their wooden or synthecicstock. This gives a skin tight fit of the barrel to the stock which helpsimprove the accuracy of the rifle. To be able to get the barrel/actionback out of the stock, and prevent the epoxy from cementing the barrelto the stock I use the past wax on the...see more »Mold release.For a mold release using epoxies I use Johnson's past wax. I've nothad a need for a mold release agent while using silicone, yet. But, I wouldsurly give it a try because a can of Johnson's past wax will last forever just using it for mold release.If you do try the wax apply the wax two times to the mold before usingthe mold. Apply once and let it dry a few moments(ten to fifteen)and then apply the second time, and let it completely dry before usingto mold.I use epoxies to bed rifle barrels/actions into their wooden or synthecicstock. This gives a skin tight fit of the barrel to the stock which helpsimprove the accuracy of the rifle. To be able to get the barrel/actionback out of the stock, and prevent the epoxy from cementing the barrelto the stock I use the past wax on the whole barrel, the screws anything that the epoxy will be touching. The fit between barrel and stock is so tight I have to use a mallet topound them apart 99% of the time. The Johnson's past wax works great.I get a complete release of everything I apply the wax to. I too usedmold release before I found out about the wax, and I spent a few bucksbefore, now it's just pennies!From all the tests I've ran the wax has to be applied two time or more.Applied once will not work, I think it's because the epoxy gets reallyhot!

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