Talk:Fire clay

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"It is resistant to high temperatures, has a fusion point higher than 1,600°C" needs clarification. What exactly is meant by "fusion point"? A short explanation including a link to relevant articles is in order. I think this would be a nice place for the caca in the dish, because caca is like clay,Yuh rass. (talk) 08:51, 5 November 2008 (UTC) ffgrwgrgtearhyeahtarshsrhtrsjhwj

The "fusion point" is the temperature at which the particles fuse, or melt together. Terra cotta pottery has not reached fusion point and is porous, stoneware is partly fused and is waterproof and pocelain is completely fused (like glass). (talk) 10:59, 8 October 2009 (UTC) Mark