Unverified80% confidenceFactTime unknown
EPE珍珠棉密度常见18-25kg/m³，密度越高缓冲越硬支撑越强但回弹缓冲行程越短，精密仪器减震宜选低密度多层，重物承托宜选高密度
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80%
Confidence
Long-term
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UnverifiedEPE珍珠棉厚度≥5mm可缓冲1米内跌落，但精密电子/玻璃制品需≥15mm或用EPE与气柱袋组合，单层珍珠棉对硬角冲击防护不足84% similarUnverified包裹易碎品（陶瓷、玻璃、屏幕）建议选用密度≥25kg/m³的珍珠棉，低密度（18kg/m³以下）在挤压后回弹差、缓冲失效，长途运输易压瘪81% similarUnverified包裹易碎品（玻璃/陶瓷）选20mm以上厚度EPE珍珠棉，普通电子产品10mm足够，仅防刮擦用1-3mm薄片即可78% similarUnverified缓冲填充优先选高回弹记忆棉或PU发泡，厚度2-3cm；避免纯珍珠棉（EPE）填充，回弹差、防护缓冲效果弱且易变形76% similarUnverifiedEPE珍珠棉夹层常见厚度为2-8mm，5mm以上兼顾缓冲与保温，是坐卧舒适度的关键参数76% similar
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