Unverified85% confidenceDecision RuleTime unknown
竹木纤维墙板需认可基材密度≥1.2g/cm³且壁厚≥8mm，密度过低（＜1.0）的空心板受温差易变形、脚踢即凹陷
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Unverified竹木纤维墙板标准规格常见宽度600mm、高度2800-2900mm可整墙无横缝，选高度覆盖层高的整板可避免横向拼缝影响美观78% similarUnverified常见板式搁板材质密度参考：实木松木约0.4-0.5g/cm³易变形；多层实木板与颗粒板经封边防潮处理后稳定性优于原木；太空铝密度约2.7g/cm³且完全防锈防潮78% similarUnverified3层比4层更实用：竹浆纤维本身较韧，3层已足够擦拭，标称4层但克重低的实际强度反而不如3层高克重款。层数不等于耐用度75% similarUnverified板材密度直接决定承重：颗粒板（刨花板）密度约650-720kg/m³，中密度纤维板(MDF)约720-800kg/m³，实木多层板承重与抗变形最优，转角长台面（>140cm）建议板厚≥25mm避免中部下垂75% similarUnverified实木搁板厚度<2cm且跨度>80cm时，即使支撑点足够，木板自身也会随时间产生中部弯沉，重物场景应选≥2.5cm厚或带隐藏钢筋的层板75% similar
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