A test tile of Seattle Freeze Mid-Range Translucent Porcelain at cone 5
A test tile of Seattle Freeze Mid-Range Translucent Porcelain at cone 5
A test tile of Seattle Freeze Mid-Range Translucent Porcelain at cone 4
A bag of wet of Seattle Freeze Mid-Range Translucent Porcelain showing the orange Seattle Pottery Supply label
Showing Seattle Freeze Mid-Range Translucent Porcelain lit up by a flashlight, with the bagged clay and clear glaze used next to the vessel
A bowl with a rippled rim, help by two hands. Made out of Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain
SP691 Seattle Freeze Mid-Range Translucent Porcelain

SP691 Seattle Freeze Mid-Range Translucent Porcelain

SKU: 12691B Brand: Seattle Pottery Supply    

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$48.00

SKU INVENTORYORDER ELIGIBILITY PRICE
12691B 19 in stock While supplies last $48.00

*Back orders will be placed for order quantities exceeding that of on-hand inventory.

FIRING RANGE: CONE 5 (2186ºF)

  • Wet Color: White
  • Firing Color: Oxidation: White + translucent when thin
  • Texture: Soooo smooth
  • Avg. Total Shrinkage: 10.67% (full SPS clay shrinkage chart here)
  • Avg. Absorption at ∆5: 0.07%
  • Sold as a 25 lb. block

Want to light up your studio? Seattle Freeze is a brand new translucent mid-range clay body (yes, you read that right). Intended for use on the wheel, it throws like a dream with a creamy, yet firm, consistency. One of the very few translucent mid-range clays out there—and, in our opinion, the best. Most translucent porcelains are high-fire, which makes them less accessible for the majority of potters; Seattle Freeze has the translucence of cone 10... but at cone 5.

NOTE: Seattle Freeze can harden when stored. To return it to working consistency, wedge hard (we recommend throwing it on the floor with force), then wedge as normal. Do not add water!

In order to make sure all batches of this clay are as creamy, smooth, and buttery as they should be, we’ve updated our clay machine, implemented a double-vacuum process, and increased our quality control. We love this clay and know you will, too!

“I just finished with the 25 lbs. of Seattle Freeze.  I love this clay. It is seductive. Very plastic, yet holds up, and can get very thin without sagging. I threw with translucence in mind and was able to throw thinner than usual. It takes very little water, which is a huge plus for workability. I love the buttery smoothness. I threw a piece with an attachment and had no problem with that. This is a fabulous clay. Can I get more?”

~Tim, from Spokane, WA

 

~ Unless otherwise noted, vessels shown were made by SPS team potter, Frank Jacques ~

To use: wedge wet clay, work as preferred, and fire to ∆ 5. Use with mid-range glazes.

*Please be aware that natural impurities may occasionally occur in our clay! Our clays are made with natural minerals, mined from the earth. In some rare cases, natural impurities, or ribbons of other minerals, are mixed in with the raw materials provided by our suppliers. This can lead to clays that don’t perform the way they are supposed to. If you have any questions about a particular clay body, please reach out to info@seattlepotterysupply.com.

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QUESTIONS & ANSWERS

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  • I was hoping I could get more info on your sp691 Seattle Freeze clay. It says cone 4-6 but best at 5--do I need to watch out for it getting soft at 6, or are there other reasons 5 is better? Also, I couldn't find vitrification/porosity info. Can you tell me expected porosity at cones 5 and 6? Thank you.

    At cone 6, the Seattle Freeze can begin to bubble, causing surface roughness and glaze defects. The absorbtion rate at cone 5 is 0%.

  • Hi there, I see that this is best at cone 5. I use a community kiln that always fires to cone 6. Does it start losing translucence at that heat level? What change in quality happens at cone 6, please?

    At cone 6, the clay doesn't lose translucency, but can instead start to bubble at the surface, causing surface texture deformation and glaze issues.

  • Would this clay be okay for hand-building?

    While you can hand-build with the Seattle Freeze, it's a clay that is designed for throwing and has some difficulties when being used for handbuilding. You have to make sure everything is very well compressed or there is a high risk of cracking.

  • Hi! I purchased a bag of Seattle Freeze. I was told by my open studio manager that it isn't actually porcelain. Can you please verify if this is actually porcelain, or a porcelain substitute? Thank you so much!

    The Seattle Freeze is a mid-range white translucent clay made with primarily kaolin. Traditionally, porcelain has referred to white clay that is fired to cone 10. However, due to modern fluxes and clay technology, we can create fine white clay bodies made primarily of kaolin that vitrify at lower temperatures, such as cone 5 and 6. The answer is mostly a matter of semantics and whether you define a porcelain by the temperature it is fired to. The Seattle Freeze is a mid-range porcelain, which, to some traditional potters, is an oxymoron.

  • How many pounds?

    We sell all our moist clay in 25lb blocks.