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How to make ceramic clay slip.
The best way to add a ceramic stain to clay slip is to make the stain into a paste first.
So transfer 1 6 ounces of stain into a clear plastic bag.
Plastic containers with screw on lids that come in packs of 2 from the dollar tree.
And i like how elegant it looks.
A simple pottery tip video to help save you money.
Slip is just a liquid mixture of clay or a liquefied suspension of clay particles in the water and is generally a little thinner than a slurry.
Clay slip is useful for slip trailing repairing broken clay pieces filling in or smoothing areas of unwanted texture slip casting or casting moulds however the kind i make is more suited to repair and moulding clay together.
You can buy pre mixed slip at ceramics stores however it is much cheaper and you have much more control if you mix your own.
And gently massage the bag to mix the stain and water into a paste.
A step by step video guide on how to make clay slip for ceramics.
I save all of my little scraps of clay put them in a gallon size plastic bag and when i have enough clay i make slip.
Slip trailing is perfect for your ceramic students who love to draw.
I always use wet clay to make slip.
With a screw on lid you can get a tighter seal than you can with snap on lids which means your slip will still be usable the next time you need to use it.
Sometimes the clay bodies also need to be in different forms such as regular moist clay slip or casting slip.
The best part of this process is that if students make an error they can wipe away the wet clay and start again.
Slip casting is liquified clay poured into a plaster mold the ratios are roughly 75 percent clay body to 25 percent water.
1 kg of dry clay.
Robert shows us his favorite quick method to mix casting slip for mold making.
If i m handbuilding with a cone 6 clay body and want to add a slip cast element to it i d be hard pressed to find a commercial cone 6 casting slip with the exact same shrinkage and absorption characteristics.
The recipe i use is passed on from an old professor.
Every once in a while i spray water in the plastic bag so the clay doesn t get dry.
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For storing slip i like the 16 oz.
With this technique students can create intricate designs and details using a precision bottle.
The powder i ordered is called glacier white it is a porcelain that dries completely white and a little transparent.
Add a couple of tablespoons of water into the bag.
Make sure your slip is made from the same clay you re working with.