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材質 聚氨脂 產地 大城 產品類別 保溫管 產品種類 保溫管 導熱系數（常溫） 0.03 等級 A 低溫彎折≤ 國標 斷裂伸長率 350 抗彎強度 國標 抗壓強度 0.3 品牌 金星 使用溫度 200 芯材 聚氨酯發泡 形態 微孔狀 形狀 管狀 應用范圍 JG149-2003 規格 DN15-DN1220 功能 保溫,隔熱
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