Unverified78% confidenceDecision RuleTime unknown
8mm珍珠棉密度偏低时容易压扁变薄，保温和缓冲效果都会下降；选购时注意手感弹性回复力，密度过低的卷材长期使用后隔热性衰减明显
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified材质决定手感与耐用度：珍珠纹/纯棉水刺无纺布克重≥40g/m²的更厚实柔软不易破；点状压花薄款克重低，擦拭易掉屑破损，仅适合轻度清洁81% similarUnverified纯棉舒适透气但易皱易缩水，添加5%-10%氨纶（弹力棉）提升修身回弹和抗皱，但氨纶含量越高越不耐高温和阳光暴晒，长期会失去弹性80% similarUnverified面料弹性越高（含氨纶/莱卡≥8%）贴合越好、越不易挂毛结球，但透气性和保暖性下降；纯棉无弹款保暖舒适但易变形松垮，短毛需保暖选纯棉、活动量大选弹力混纺79% similarUnverified面料柔软度与抗缩水稳定性存在权衡：越是高支纯棉/未做防缩处理的柔软面料，首洗缩水率越高(可达5-8%)；预缩水或混纺面料手感稍硬但尺寸稳定79% similarUnverified面料弹力越大越易变形失去支撑，纯棉汗布比莱卡混纺更耐洗但也更缩水；追求久穿不变形选高支高密精梳棉，追求柔软贴身可接受少量氨纶78% similar
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