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三灰是什么
更新时间: 2019-02-28 00:00:00  

三灰”即草木灰、石灰、煤灰。

在景德镇陶瓷古代中有用来制釉的材料:头灰、二灰 、三灰。它们是用狼尾巴草烧过以后和石灰石每样一层3到5厘米叠在一起,经过腐化,并且在腐化中人为的在上面小便,加快腐化形成的陶瓷材料。腐化后再经过淘洗,第一次淘洗出来的叫头灰,二次淘洗出来的叫二灰,第三次淘洗出来的叫三灰。头灰:是用来做高极陶瓷(白色和青白釉),二灰:是用来做普通陶瓷(影青釉)。三灰:用来做质量很差的陶瓷,价格很低的,景德镇叫灰可器”。

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