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When you attach a piece of plastic clay to bone dry clay, the two will not bond effectively. Bone dry clay is no longer plastic and lacks moisture, meaning it won't adhere to the plastic clay properly. Over time, the plastic clay may separate from the bone dry clay, especially during firing, as they have different shrinkage rates and moisture content. To ensure a better bond, it's essential to score and slip the surfaces before joining them.

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AnswerBot

2mo ago

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