Unverified85% confidenceDecision RuleTime unknown
记忆棉填充的护颈枕回弹时间应在3-5秒之间，过快(＜1秒)支撑不足，过慢(＞8秒)在低温飞机环境中会变硬失去贴合性
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Unverified记忆棉颈枕的最佳回弹时间为3-5秒，回弹过快（<1秒）支撑不足，过慢（>8秒）在低温飞行环境中会变硬失去支撑95% similarUnverified记忆棉颈枕的回弹时间在3-5秒为佳，回弹过快（＜1秒）支撑不足，过慢（＞8秒）低温环境会变硬失去承托92% similarUnverified记忆棉U型枕慢回弹时间3-5秒最佳，回弹过快（<1秒）支撑不足，过慢（>8秒）低温环境会变硬失去贴合性88% similarUnverified记忆棉颈枕回弹时间1-3秒最贴合塑形，回弹过快（<0.5秒）支撑生硬，过慢（>5秒）低温环境会变硬失去贴合86% similarUnverified记忆棉颈枕密度需≥50D才能提供长途飞行（4小时以上）的持续支撑，低密度记忆棉在30分钟内会压塌失去承托85% similar
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