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    <title>泡塑产业 - 基础知识</title>
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    <description>Latest 20 articles of 基础知识</description>
    <copyright>Copyright(C) 泡塑产业</copyright>
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      <title>什么是发泡倍率？一文读懂泡沫材料的核心指标</title>
      <link>https://www.polyfoamtech.net/portal.php?mod=view&amp;aid=37</link>
      <description><![CDATA[在聚合物发泡材料领域，发泡倍率（Expansion Ratio / Foaming Ratio）是衡量泡沫材料性能的核心指标之一。无论是聚氨酯软泡、EVA 鞋材中底，还是 PE 发泡片材，发泡倍率直接决定了产品的密度、力学性能和应用场景。
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      <author>Editor</author>
      <pubDate>Mon, 06 Jul 2026 09:01:00 +0000</pubDate>
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