Questions tagged [ceramics]

Specifically for questions about crafts primarily involving ceramics.

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Can I continue/restart firing kiln after error

What is the best thing to do after an error mid-firing? Background: I started a cone 6 glaze firing (honyaki) this morning in the hope I could beat the outside temperature (predicted to get to 31°C (...
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2 votes
0 answers
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Ceramic glaze too watery or too deflocculated: specific gravity or thixotropy error?

Hopefully there are some ceramic gurus on here. I have bought a premixed stoneware glaze powder. It has directions to add 1 L of water and 0.5 L of pehatine (so 1.5 L water) to 1 kg of glaze powder (...
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4 votes
1 answer
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How do you apply sodium silicate to a ceramic bowl to achieve a cracked effect?

How do I properly apply sodium silicate to a ceramic bowl to achieve the type of effect seen in the image below? I know that I need to apply it after I have opened the hole in the bowl on the wheel, ...
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3 votes
1 answer
85 views

Best adhesive to use for rubber gaskets inside ceramic column?

I'm working with a ceramic column and I'm trying to connect a soft rubber gasket to it, but I need an adhesive to hold the rubber gasket inside the columns. I need advice on which adhesive to use ...
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4 votes
1 answer
61 views

What is the easiest way to wax the bottom of a ceramic pot before glazing?

What is the fastest way (i.e. most efficient way) to wax a ceramic pot before glazing. I'm starting to do production pottery and need to find the quickest way to wax the bottom of pots without wasting ...
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4 votes
2 answers
76 views

Should a ceramic cup gain this much weight after this test?

I bought a cup on Etsy (that's in the likeness of the one John Dutton uses in the show Yellowstone.) It looks awesome but I noticed tiny pinholes in the glaze on the inside. I know nothing about ...
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3 votes
0 answers
53 views

I just fired a mug (cone 5/6 B-Mix clay) in my kiln and there is a 2 inch crack along the bottom. Is there any way to save this by glazing it?

I just unloaded a bisque fire and noticed that a mug (made from B-Mix cone 5/6 Laguna clay) has a 2 inch crack on the bottom. Is there any way to fix the crack my using glaze?
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3 votes
1 answer
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Which material should I use to fix broken glazed ceramic lamp?

I have had this beautiful night lamp, and it fell on the floor. The lower part hit the floor, a little bit more than 1 meter deep. A part at the bottom got broken off, so it cannot stand by itself. ...
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3 votes
1 answer
68 views

What brand/type of acrylic paints is recommended to paint ceramic pots without leaving brush marks?

Not sure if it's the brushes or the brand of acrylic paints (DecoArt or Martha Stewart Satin Finish) I use, but I'd like to achieve a smooth finish when I paint my ceramic pots.
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5 votes
1 answer
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How were these tiles made?

I bought a box of various 2"x2" Mexican tiles to create a backsplash behind my oven: What I want to do, is to make some of my own tiles to mix in - tiles that don't "stick out" as ...
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4 votes
1 answer
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Can you use wall and ceiling texture as plaster slab for drying and wedging clay?

I have a couple bags of wall and ceiling texture that were left in the home that I purchased. I was curious if I could pour a slab of this and use it like the plaster we use in ceramics. I would hate ...
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4 votes
1 answer
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Handmade ceramic plate cracking after putting hot food on it

I had made a set of plates (from slab) with the Plainsman’s coffee clay and glazed it with John Britts’ 3M4 glaze (dipped half in 3M4 base and other half 3M4 +2.5% rutile). I’ve been using them for ...
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4 votes
2 answers
153 views

Do kilns get hot enough to fire their own bricks?

Kilns for firing ceramics are lined with firebrick, which are also ceramic. Note that heating elements are often placed in grooves in the walls. However, different ceramics have different firing ...
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11 votes
4 answers
4k views

Trying to turn a vintage wash basin into a vessel sink. How can I get rid of this standing water?

First off I screwed up where I drilled the hole for the drain. The middle of the bowl is actually raised so the water pools in a circle around the drain: I'm curious what my options are now... Is ...
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1 vote
1 answer
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Porcelain brush pen does not stick to ceramic ring

I painted a ceramic ring (this) with porcelain pens (edding 4200 porcelain brush pen). I followed the instructions of the pens: Clean the surface of the ring and remove dirt and grease. Apply the ...
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2 votes
2 answers
598 views

Kiln elements keep burning out

So, I bought a medium kiln on craigslist for $100. It was old, and my friend and I wanted to upgrade it, so we bought some new heating elements, removed the entire controller-box, bought a ...
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2 votes
0 answers
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Cheap Pottery Refractory Material [closed]

I am trying to build an electric kiln for firing pottery, so I need a really high temperature. I intend to use kanthanal wire for the heating element. The problem I am facing is the refractory ...
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7 votes
1 answer
206 views

Is there a way to cast solid ceramics?

I am familiar with slip casting. However, I've never seen it done with something that was completely solid before. I've only seen it done with varying wall thicknesses for things like vases. Could it ...
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1 vote
2 answers
180 views

Silver nitrate added to clay body

Silver nitrate is commonly used as a glaze additive - for example in Raku. What effects might be expected from using small amounts of silver nitrate in the clay body itself!? Would this affect the ...
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6 votes
2 answers
8k views

Tips and Tricks for Sealing Ceramic Coffee Mugs

I am working on some nail polish watercolor coffee mugs. I have completed the color application and want to make them dishwasher safe using dishwasher safe mod podge. I don’t have any experience with ...
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4 votes
2 answers
393 views

Complex plaster molds for ceramics

I've got a shape that I want to have cast but I don't know how to achieve this: I know the basics of regular casting but this shape has an open interior. The picture is the master shape. How can I ...
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3 votes
1 answer
297 views

Ceramics and shellac

I'm exploring water etching by painting designs on bone dry clay with amber shellac. I paint on 2 coats (wait 30 minutes between coats) and then wait overnight before I begin the water etching process....
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3 votes
2 answers
2k views

How do I go about sealing tiles painted with acrylic ink?

I have been painting on ceramic tile's with Liquitex acrylic ink. I would like to seal them so that they could be used as coasters. I want to make them impervious to liquid and coffee cup heat. Does ...
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4 votes
1 answer
97 views

Can large pieces of slipware be dried without a kiln? [closed]

I have a clay (plasticine) positive of a human figure standing 5' tall Next step is making a rubber mold for the lost wax process and a bronze positive May I use the rubber mold for slip after the ...
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2 votes
1 answer
60 views

Re-branding ceramic tea/coffee mugs

I have been given a set of unused standard straight-sided coffee mugs with an out-of-date brand on them. The branding appears to have been screen-printed on then fired, so its impossible to remove (...
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3 votes
3 answers
2k views

How to adhere adhesive to glazed ceramic?

I make decorative "flower" plates layering different shapes & sizes to be hung on a wall or attached to a post in the garden, Each weighs approx 4- 5 lbs. I use either metal heavy duty picture ...
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5 votes
3 answers
128 views

How can I decorate on a mug or plate with paper?

I remember when I was in school and the teacher gave us just newspaper. We cut words from it and decorated our mug or plate. I don't remember how we glued or adhered to the plate or mug so it was ...
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4 votes
3 answers
195 views

What is this handmade ceramic good for?

We have bought this beautiful piece of ceramic. We have no idea how it is supposed to be used beyond the obvious decorative purpose. Any idea? It has an opening but we don't think it can be used as ...
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6 votes
2 answers
95 views

Are there tell-tale signs that clay will crack when fired?

I understand there are many different kinds of clay, so maybe you could offer advice for clays that will be typical to beginners, or other otherwise buying from common arts stores. I imagine that red ...
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12 votes
1 answer
105 views

Multi-unit pottery kiln - how hot can it go?

I am inheriting an old electric kiln. It has three stackable heating elements and the data plates on each stacking ring says "Petterson Multi-Unit Kiln", I can't seem to find much about this on Google....
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