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Block weight: available in 25 lb blocks. FIRING RANGE: CONE 5 Wet Color: Red Firing Color: very dark gray; black when glazed Texture: Slightly Smooth (< 5% grog) Avg. Total Shrinkage: 10.13% Avg. Absorption at Cone 5: 0.19% Eclipse is a very dark gray mid-range stoneware clay body that fires to black when glazed. Designed…
FIRING RANGE: BEST AT CONE 5 (2167-2232ºF) Wet Color: Brown Firing Color: Gold w dark speckles Texture: Lightly Coarse Avg. Total Shrinkage: 13.90% Avg. Absorption at cone 5: 1.28% Despite the fact we released it on April Fool’s Day, this clay is no joke (the name actually refers to the gold-mimicking mineral Pyrite). Fool’s Gold…
FIRING RANGE: CONE 4-5 (2134-2160º F) Wet color: gray buff Firing color (in oxidation): silvery-gray with speckles Texture: slightly smooth (< 5% grog) 25 lb. block Back (to stay!) by popular demand… You asked, we answered! Our limited release Speckled Gray is back to stay! Based on our new Sea Mix 6 clay body, with added…
FIRING RANGE: CONE 4 – 6 (2167-2232ºF) 25 lb. block Wet Color: Gray Firing Color: Oxidation: Off-White Texture: Slightly Smooth (< 5% grog) Avg. Total Shrinkage: 11.32% at ∆5; Avg. ∆5 Absorption: 1.64% With Grog Avg. Total Shrinkage: 11.08%; Avg. ∆5 Absorption: 1.60% With Sand Avg. Total Shrinkage: 10.29%; Avg. ∆5 Absorption: 1.47% Designed as a replacement for…
FIRING RANGE: CONE 5 ONLY (2134-2186ºF) Wet Color: gray buff Firing Color in oxidation: off-white with speckles Texture: slightly smooth (< 5% grog) June 2024 – Limited Release Sea Mix Speckled – June 2024 Release is a thing of beauty. It is a cheeky union of our (new new) Sea Mix 6 clay body and…
FIRING RANGE: CONE 06 – 04 (1830-1940ºF) Wet Color: Off-White Firing Color: Oxidation: White Texture: Smooth Cone 04 Avg. Shrinkage 2±%: 9% Cone 1 Avg. Shrinkage 2±%: 11% With Sand: Cone 04 Avg. Shrinkage 2±%: 7% With Sand: Cone 1 Avg. Shrinkage 2±%: 8.5% Our best all around multipurpose clay, LF06 White is great earthenware…
FIRING RANGE: CONE 06 – 04 (1830-1940ºF) Wet Color: Off-White Firing Color: Oxidation: White Texture: Smooth Cone 04 Avg. Shrinkage 2±%: 9% Cone 1 Avg. Shrinkage 2±%: 11% With Sand: Cone 1 Avg. Shrinkage 2±%: 8.5% With Sand: Cone 04 Avg Shrinkage 2±%: 7% Made for throwing, Shasta is highly plastic and great for beginners. This…
FIRING RANGE: CONE 06 – 04 (1830-1940ºF) or Raku Firing Wet Color: Grey Firing Color: Oxidation: White Raku: Black Texture: Medium Coarse Cone 04 Avg. Shrinkage 2±%: 8.5% Cone 1 Avg. Shrinkage 2±%: 9% Here s the smoother, whiter raku body you ve been waiting for! This clay is great for throwing and is smoother…
FIRING RANGE: CONE 06 – 04 (1830-1940ºF) or Raku Firing Wet Color: Grey Firing Color: Oxidation: White Raku: Black Texture: Lightly Coarse Cone 04 Avg. Shrinkage 2±%: 7.5% Cone 1 Avg. Shrinkage 2±%: 10% This clay is great for handbuilding and for large raku pieces! There is mullite added for greater strength, for this reason…
FIRING RANGE: CONE 06 – 04 (1830-1940ºF) Wet Color: Red Firing Color: Oxidation: Red Texture: Smooth Cone 04 Avg. Shrinkage 2±%: 8% Cone 1 Avg. Shrinkage 2±%: 13.5% A beautiful red clay body, very smooth and nice for throwing. We think it s the finest red earthenware clay body in North America—adaptable, smooth, and durable. We…
This lowfire ceramic clay fires within a range of: CONE 06 – 04 (1830-1940ºF) Wet Color: Mid-gray Firing Color: White Texture: Very Coarse Cone 04 Avg. Shrinkage 2±%: 7.5% Cone 1 Avg. Shrinkage 2±%: 10% This earthenware body is great for throwing and slab or coil techniques. A smooth and strong finisher, it fires to a true…
FIRING RANGE: CONE 4 – 6 (2167-2232ºF)) Wet Color: Grey Firing Color: Oxidation: Creamy off-White Texture: Slightly Smooth (< 5% grog) Avg. total shrinkage: 13.25%; avg. absorption at ∆5: 2.72% With grog avg. total shrinkage: 12.21%; avg. absorption at ∆5: 2.03% Vashon White is a mid-range stoneware clay body. Designed for production ceramics work, it…
FIRING RANGE: CONE 4 – 6 (2167-2232ºF) Wet Color: Gray Firing Color: Of-White-Grey Texture: Lightly Coarse Avg. total shrinkage: 11.54%  Avg. absorption at ∆5: 0.47% This clay lives up to the Vashon clay family reputation for great handling – but in a true gray. 25 lb. block.
FIRING RANGE: CONE 4 – 6 (2167-2232ºF) Wet Color: Red-brown Firing Color: Rich brown Texture: Lightly Coarse Avg. Total Shrinkage: 11.73% Avg. Absorption at ∆5: 1.44% Good for any project, the color reminds us of pueblo stones. 25 lb. block. The unfired pieces in the last photo (plate, bowl, and mugs) are made by SPS…
FIRING RANGE: CONE 4 – 6 (2167-2232ºF) Wet Color: Light gray Firing Color: Cream Texture: Lightly Coarse Avg. total shrinkage: 11.48% Avg. absorption at ∆5: 3.38% Like all Seattle Pottery Supply Klamath clays, this fits almost every project you have in mind. Super functional. 25 lb. block.
FIRING RANGE: CONE 4 – 6 (2167-2232ºF) Wet Color: Light gray Firing Color: Buff tan Texture: Lightly Coarse Avg. total shrinkage: 10.88% Avg. absorption at ∆5: 1.77% Good plasticity makes this clay useful for almost any project. Rich color. 25 lb. block.
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