McG Posted November 30, 2021 Share Posted November 30, 2021 I’ve seen on YouTube a few Japanese car modeller’s applying what can only be described as a double gloss coat. Their process seems to be: 1. apply multiple gloss layers as normal. 2. flat it back with 3000 grit or higher up to 10-12000 grit. 3. apply more multiple gloss layers. 3. flat these back and then polish to a high shine using compounds. What is the benefit of the second gloss coating after polishing? Does it offer a higher shine? Mark Link to comment Share on other sites More sharing options...
krow113 Posted November 30, 2021 Share Posted November 30, 2021 Prolly just offers some confidence that you wont go through the first gloss coat into the color coat during the rigorous polishing method. Link to comment Share on other sites More sharing options...
colin Posted November 30, 2021 Share Posted November 30, 2021 Probably not getting a higher sheen but more likely trying to get a more glass like finish with no orange peel. Also putting more coats on helps then avoid burning through to the underlying paint Link to comment Share on other sites More sharing options...
Anteater Posted November 30, 2021 Share Posted November 30, 2021 More down to the quality of the coats rather than the quantity, I would have thought. Link to comment Share on other sites More sharing options...
Spiny Posted November 30, 2021 Share Posted November 30, 2021 The problem )to my way of thinking anyway) is that it's a bit of a balancing act. Too many coats can make the paint look too thick and gloopy, although the shine may be out of this world. Too few and you burn through as mentioned above. It's about getting that happy medium with a good shine, but without the paint looking too thick. If the builders in those videos find that's the best way for them to achieve that balance then that's great. If you can managed to get the shine you want without double-layering then nothing wrong with that either - it's all about what works for you. But to answer the question, I don't really know what the benefit is of a second coat - as Anteater said above (sounding much like my old English teacher!) it's quality over quantity that counts. Link to comment Share on other sites More sharing options...
Schwarz-Brot Posted November 30, 2021 Share Posted November 30, 2021 Gloss, decals, gloss is also quite common. Maybe this is what they are doing? Link to comment Share on other sites More sharing options...
McG Posted December 1, 2021 Author Share Posted December 1, 2021 Thanks all, I hadn’t considered decalling or burn through as potential reasons for doing this. Mark Link to comment Share on other sites More sharing options...
Troy Smith Posted December 1, 2021 Share Posted December 1, 2021 14 hours ago, McG said: What is the benefit of the second gloss coating after polishing? Does it offer a higher shine? Can't answer your initial question, but ages ago this was posted, which maybe of interest if you are interested in car models finish. Link to comment Share on other sites More sharing options...
Alan R Posted December 1, 2021 Share Posted December 1, 2021 (edited) In a lot of videos I've seen posted on YouTube, they often sand-back using 3000 or higher to eliminate the few dust bunnies that get through, they then polish it to a high sheen with polishing compounds. I haven't seen further top coats added after that, I agree about the danger of too thick gloss coat. It becomes 'toy-like' and you seem to lose a lot of the more delicate details under this unrealistically thick layer of glass. Cheers, Alan. Edited December 1, 2021 by Alan R Typo Link to comment Share on other sites More sharing options...
gamblor916 Posted December 3, 2021 Share Posted December 3, 2021 Multiple thin coats helps get rid of stepping with decals and different paint colours. More important with race cars and bikes with complex schemes. 1 Link to comment Share on other sites More sharing options...
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