[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

岩棉密度选48-80kg/m³吸声性能与厚度平衡最好,玻璃棉选24-48kg/m³;密度过高(>120kg/m³)反而会反射低频降低吸收效率,不是越密越好

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