904. Throwing a Sodium Silicate Black Slip Lidded Jar with Hsin-Chuen Lin.

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2 Video Views·Sep 15, 2026
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Video Summary
AI GeneratedThe artist demonstrates an experimental pottery technique using a mixture of black slip and sodium silicate. By applying the mixture unevenly to a cylinder and stretching the clay, they create varied crackle textures and visual depth, ultimately shaping the piece into a lidded jar.
All right, really quick, I throw a cylinder,
make the surface smooth.
Now I'm going to drip the sodium silicate slip,
black slip, mixed in with the sodium silicate.
I'm going to drip sideways,
and after that, I put it back and then stretch it out.
This is my new experiment on the sodium silicate effect.
First, I will pick up, okay.
And then I just drip it sideways.
All right, and then I put it back.
I did it.
The gravity, so this is slightly tilt that way.
Put it back.
Keep it straight.
Okay, get it back.
And I will use the torch to dry just the surface
and then stretch it.
All right, and then I will get a sponge to wet it
and then make the inside slightly slippery.
Start to stretch from here.
All right, I turn it into a lidded jar.
I could brush the black slip with the sodium silicate.
Brush it on, but I like to have a little bit of a variation.
Some spot that is thicker, some spot is thinner.
So you can see that some spot,
when I pour it on and then use my finger to spray it,
some spot is slightly lighter and some spot is thicker.
And when the slip and the sodium silicate
is slightly thicker,
you tend to stretch a bigger crackle
and for the smaller amount,
tend to have some more crackle texture
as you can see here.
And the darker spot is spread out wider.
It's just an experiment.
Some spot doesn't have the slip
and some spot have sodium silicate slip
a little bit thicker.
See the variations.
Make the lid for this piece.
So this lid will be the upside down lid
and I will trim the knob later.
So this part here, since I'm going to trim the knob,
so I make it slightly thinner.
So this is about right.
And then I will start to push my gallery
and do my final measurement.
Get it done with all the gallery.
All right, so that's the lid with the body
and I will trim it later when they get to the hard stage.
