depends on surface area and how bad the cast is, basically. A good rule of thumb to follow is while the part is still warm, but not too hot to where the powder will begin to melt. Say..... 200-300 degree range or in that area. If you pre-bake at 375 range, by the time you remove it from the oven and set it up to coat, it *should* reach that temp. If in doubt.... let it rest for 30 seconds and then coat. Otherwise I don't see any real trauma in your future with it.... Russ
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