Cast car spoiler


Cast car spoiler
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johan holm
johan holm
johan holm
posted 5 Years Ago HOT
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Hello
I want to cast a small spoiler for the trunk of my car and thought to do it in polyurethane

Which polyurethane should I cast the final spoiler in? 

I thought I would make the mold in silicone
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Cast car spoiler
johan holm - 5 Years Ago
     Depends how thick you want to make it? Solid PU for anything of any substance, other than a small lip spoiler, would be quite heavy and may need a couple of pours to avoid overheating and shrinkage.....
Warren (Staff) - 5 Years Ago
             The idea is that it should be hollow without a bottom and 2-3mm thick Something like this https://www.amazon.com/06-12-Lexus-IS250-IS350-Spoiler/dp/B00K3YFL66 I plan to make a 2 piece silicone...
johan holm - 5 Years Ago
     The pot life of most fast cast PU's is going to be too short to use a machine like that. Just ensure your mould has good vent holes and you should be fine.
Warren (Staff) - 5 Years Ago
             The machine I linked to has 2 separate containers one for part A and one for part B and then they are mixed together 50/50 in the nozzle. Can it work on, for example, Xencast P2 Fast Cast Polyureth
johan holm - 5 Years Ago
     You'd have to try it. These resins have not been tested in automated machines like that.
Warren (Staff) - 5 Years Ago
             It worked well to make my roof spoiler Now the next project is 2 small front lips I thought I would make a 2 piece mold in fiberglass and that the final product would be 3-4 mm thick as the origina...
johan holm - 5 Years Ago
     Excellent! Glad it worked well. As an alternative but tougher, you could use the Xencast P6 Toughened Polyurethane Resin but it is a bit more moisture sensitive in mixing and a little bit less user....
Warren (Staff) - 5 Years Ago

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