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瀝青針入度是越大越好嗎?
添加時間:2022-12-19

瀝青針入度是瀝青的主要質量指標之一。是表示瀝青軟硬程度和稠度、抵抗剪切破壞的能力,反映在一定條件下瀝青的相對黏度的指標。

  針入度不是越大越好,適合自己當地情況的最好。軟化點越高越好。延度也是越大越好。

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