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After the mold is set, I drilled a pour hole on the top center and cut the RTV. I made a form for the thru-wire and ballast and set the wire in place in the mold and tape the PVC backed RTV together for a pour. Alumalite Resin with a 50 to 75% mixture of microballoons is what I came up with. Measure equal parts of part A and part B resin in separate cups and add your microballoon mixture equally to both parts. Determine how much you need for your pour and mix equal parts of A and B. Mix quickly and pour right away! There will be some heat generated and some expansion, (will come out the pour hole). You can de-mold after only a couple of minutes, reset and do another pour as the first one hardens completely. It is easy to pour ten copies in an hour.
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Threaded Mode