Skinning resin viscosity


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idcomp
i
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Hi all,

Having problems with resin being too runny. I put two coats then light sand with 240grit then one more coat. And still resin is too thin on some places like curves it just runs off even if I put thicker coat. 

I mix resin and hardener and wait for about 5-10 min for it to degas

Had this problem before. You can see it in the pic where on such a little slope it just wont stay in place just runs off.

How to deal with this problem?

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MarkMK
MarkMK
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Generally speaking, the XCR coating resin is quite thick and on the first couple of coats, excessive running shouldn't be too much of an issue on vertical sides, given that you'll be giving it quite a coarse initial sanding

However, to help limit the need to do more sanding that necessary, I tend to rotate pieces so that I can just coat as near to horizontal as possible each time. It takes a little more time, as on the piece pictured you'll be coating one side at a time but the un-sanded resin is usually a lot flatter when cured. Dealing with the 'join' around the apex of the curve shouldn't be too time consuming, given that it'd likely be one narrow strip where the resin might be a little thicker


idcomp
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MarkMK - 2/4/2020 2:28:49 PM
Generally speaking, the XCR coating resin is quite thick and on the first couple of coats, excessive running shouldn't be too much of an issue on vertical sides, given that you'll be giving it quite a coarse initial sanding

However, to help limit the need to do more sanding that necessary, I tend to rotate pieces so that I can just coat as near to horizontal as possible each time. It takes a little more time, as on the piece pictured you'll be coating one side at a time but the un-sanded resin is usually a lot flatter when cured. Dealing with the 'join' around the apex of the curve shouldn't be too time consuming, given that it'd likely be one narrow strip where the resin might be a little thicker


I didn't mention I don't use XCR resin. I use this one https://shop1.r-g.de/en/art/100110

GO

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