using sumi ink to coat a new bowl
using sumi ink to coat a new bowl
has anyone ever used sumi ink to 'carbonize' a new bowl?
the blocks of ink they sell to make calligraphy with are basically carbon and some binder (usually pine oil or something) and i was wondering if anyone has ever tried using this inside the bowl?
thanks
the blocks of ink they sell to make calligraphy with are basically carbon and some binder (usually pine oil or something) and i was wondering if anyone has ever tried using this inside the bowl?
thanks
- KurtHuhn
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You probably don't want to do that. The carbon would be fine, but the binder might cause you problems depending on what it is. Also, I suspect it might be too thin to be effectively applied.
An easily mixed bowl coating that's in use by a number of folks is:
- buttermilk
- sour cream (or creme fraiche)
- activated charcoal/carbon
The ingredients of this recipe are readily available, and it's almost impossible to mess up the ratio. When the consistency resembles interior latex paint, and it's jet black, it's ready to apply. Just be sure you sand the interior of the bowl with some 220 grit paper to make a good surface for it to adhere to.
An easily mixed bowl coating that's in use by a number of folks is:
- buttermilk
- sour cream (or creme fraiche)
- activated charcoal/carbon
The ingredients of this recipe are readily available, and it's almost impossible to mess up the ratio. When the consistency resembles interior latex paint, and it's jet black, it's ready to apply. Just be sure you sand the interior of the bowl with some 220 grit paper to make a good surface for it to adhere to.
- ToddJohnson
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- baweaverpipes
- The Awesomer
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thanks-i'll try the buttermilk- i may skip the broccoli (seems like it may be for the more advanced)
-ay thoughts on a holding device that would fit inside the pipe that you have drilled and expand against the bowl to allow you to sand or shape- i saw something in a magazine that looked like it might have an expansion head on it or it might just be a compression head with tape) - any thoughts on this out there?
-ay thoughts on a holding device that would fit inside the pipe that you have drilled and expand against the bowl to allow you to sand or shape- i saw something in a magazine that looked like it might have an expansion head on it or it might just be a compression head with tape) - any thoughts on this out there?
- KurtHuhn
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You can use a 1/2" dowel with a slot cut in it to hold a folded over strip of sandpaper. Spin it at 2700 RPM and it will expand against the sides and do it's thing. You can either let it naturally sand with only centripetal force as the pressure (takes longer), or press the sides of the bowl against the spinning dowel (almost immediate gratification, requires more manual control).
If this description falls short, I can take a pic pf my dowel tomorrow - or maybe Frank can give us a technical drawing.
If this description falls short, I can take a pic pf my dowel tomorrow - or maybe Frank can give us a technical drawing.
- ToddJohnson
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RadDavis wrote:Hey Kurt,
I may have misunderstood, but I think he's looking for something to hold the pipe by the inside of the bowl while sanding/shaping the outside.
Rad
Use a clean-ream pipe tool or a wooden dowel. The former is probably safer because you can actually crank it tighter rather than just hoping for a good fit.
TJ