Unverified80% confidenceDecision RuleTime unknown
无纺布防尘罩克重≥60g/m²才具备实用耐用性，低于40g/m²的超薄款透光挂钩处易撕裂，通常一两个季度就报废
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80%
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Long-term
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Unverified无纺布防尘布克重选择：50-60g/㎡适合室内轻度防尘，80g/㎡以上适合长期封存或需反复使用，克重越高抗撕裂性越强但柔软度和覆盖贴合性下降86% similarUnverified无纺布防尘布常见克重范围为40-100g/㎡，40g属超薄一次性防护，长期反复使用建议选70g以上；抗撕裂的帆布类多为150g以上85% similarUnverified无纺布克重决定耐用性，40g/m²以上擦拭不易破、揉搓不掉屑，珍珠纹/网格纹布比平纹去污力强；轻薄湿巾克重仅25-30g/m²，湿透后一擦就破85% similarUnverified看克重判断耐用性：无纺布克重≥50g/㎡的湿巾擦拭时不易破、可反复擦；40g/㎡以下的薄款擦一下就烂，适合一次性简单擦手83% similarUnverified无纺布防尘袋克重决定耐用度，家用长期收纳建议选≥80g/㎡加厚款；低于60g/㎡的薄款易破损且防尘防虫效果差82% similar
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