【单选题】【消耗次数：1】
下面不是藻酸盐印模材料性能的是（）
①
一种弹性不可逆水胶体印模材料
②
完成印模后可以复制多个模型
③
完成印模后尽快灌注模型
④
具有良好的流动性、弹性、可塑性、准确性、尺寸稳定等优点
⑤
与模型材料不发生化学反应
参考答案：
复制
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