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Building Tips and technical articles. => Paint and finishing => Topic started by: Steve Dwyer on February 20, 2024, 02:53:02 PM
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I have an unopened gallon of Sig Miami Blue Supercoat I snagged years back at a swap meet. Different sources are showing the thinner is still available. If not can I use Randolph Butyrate or Nitrate thinner with Sigs's Supercoat? Any experience?
Steve
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All of SIG's color dope was blended with their Litecoat dope, which is a plasticized, low shrink butyrate dope.i think all of their dope was repackaged Randolph's, so I think their butyrate dope will work fine. Do a search on the main and finishing forums and I think you will find more confirmation.
Type at you later,
Dan McEntee
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Thanks Dan, I began a search but found a gazillion Sig Paint entries and gave up. I'll take another look; I do have a ton of Randolph finishing material on hand, so it'd be good if they are compatible.
Steve
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Sig dope has a different smell than Brodak dope or Randolph dope. Does this mean that the components are not compatible with each other? I can't say for sure. All I know is that I have used Randolph butyrate thinner with Brodak butyrate dope. And, Brodak butyrate thinner with Randolph butyrate dope. No problems. I would not try to use nitrate thinner with butyrate dope. I have never done that, but something tells me it would not turn out very well.
Pour out a little bit of that Sig Miami blue into a small jar and add some Randolph butyrate thinner. Spray or brush it on a test piece. See if there is any adverse reaction. Better to test it yourself this way rather than ruin an entire paint job.
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I use Randolph's thinner on all my butyrate dopes including SIG Lite coat clear with NO problems what so ever and have been doing so since 1999. H^^