Unverified87% confidenceFactTime unknown
STC（隔声量）是墙体系统整体指标而非单块棉的属性；正规墙体隔声需组合方案：龙骨+岩棉填充+双层错缝石膏板+隔音毡可达STC 50以上，单纯贴吸音棉通常只提升5-8dB主观感受
1
Sources
87%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified有效隔音墙需要复合结构：轻钢龙骨+隔音棉（岩棉/玻璃棉，密度≥48kg/m³）+双层错缝石膏板+隔音毡，总厚度约7-10cm，隔声量可提升15-25dB；单一薄板材无法达到理想效果65% similarUnverified门芯填充材料决定隔音下限：纸质蜂窝（模压门）几乎无隔音，实心刨花板/密度板约25-28dB，专业隔音棉+多层复合结构可达35dB以上，铅板/复合钢结构入户门可达40dB65% similarUnverified选克重≥350g/m²的三层复合结构（面料+吸音棉/记忆棉夹层+背衬），单层薄绒布几乎无隔音作用64% similarUnverifiedEVA泡棉墙贴厚度≥5mm才有明显立体隔音效果，＜3mm的属于装饰纸贴，起不到缓冲防撞和隔音作用64% similarUnverified真正有隔音效果的窗帘克重需≥350g/㎡，多采用三层结构（正面绒布+中间无纺布/记忆棉隔音层+背面遮光涂层），单层加厚绒布的隔音效果被夸大63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/352622API
curl https://kongchang.com/api/v1/knowledge/claims/352622MCP
get_claim(id=352622)