Small "lines" perpendicular to the grain

J

Justin W

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Jul 30, 2019
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Does anyone know what these faint lines are? Wood is canary wood, but I have also seen it in oak and padauk. They are almost imperceptible and appear to be under the surface of the wood slightly. They have no texture to my fingers. They can be seen before finishing, but moreso during wet sanding. Ignore my noob pinholes please.

97LeTZT.jpg
 
I hope others will chime in, but I do know that wood does have 'rays' which are cells that run perpendicular to the grain.
If there's no possibility that these are sanding/grinding lines, then that's what I'd guess.
What grit are you are at and what direction was the last grit? I know I will sometimes see scratches from lower grit shaping (ie 120 grit) that don't show up until I get to 800-1000 grit level and these can't be felt. Don't forget about the callouses that you most likely have on the finger tips if you do this regularly.
 
I've seen that on other woods as well like Mahogany, it's part of the grain pattern as far as I know. But they are through the wood you can't sand them out.
 
It looks like there are 3 different areas that have been exposed to the sun for various amounts of time. I woujld guess it will all be the darker color at some point.
 
For clarification you are asking about the hundreds of tiny lines not the 2 “shadow” lines correct ?
 
If you are wet sanding it would raise the grain. Which would make the differences in the wood cells more noticeable. It's not a recommended practice to wet sand wood.
 
The wood was a kiln dried board. There was no wax on it. I hand sanded it to 800 grit using crossed patterns to limit raised grains. And by wet sanding, I mean finish wet sanding with Danish oil. There are 2 shadow lines in my crappy pic, just ignore those. The grain wise color variations are natural to the wood too, which is why I used it. It has reds, greens, yellows and browns, very pretty.
 
Justin W said:
The wood was a kiln dried board. There was no wax on it. I hand sanded it to 800 grit using crossed patterns to limit raised grains. And by wet sanding, I mean finish wet sanding with Danish oil. There are 2 shadow lines in my crappy pic, just ignore those. The grain wise color variations are natural to the wood too, which is why I used it. It has reds, greens, yellows and browns, very pretty.
Click to expand...
OK. I misunderstood on what you meant by wet sanding.
 
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