岩棉制品设备
发布时间 2013-08-19 09:10:43
产品描述
编辑本段用途
编辑本段性能
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岩棉与矿棉都属于矿物棉，都是用天然岩石、或（和）矿渣等原料经高温熔融，在离心力和风的共同作用下形成的无机纤维状产品；
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其主要的化学成份是二氧化硅、三氧化二铝、氧化钙、氧化镁，同时还含有少量的氧化铁等；为使其成型，会加入少量的酚醛树脂；
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习惯上来讲，通常将用矿渣为主要原料生产的产品称为矿棉，而将用天然岩石如玄武岩或灰绿岩等为主要原料生产的产品称为岩棉；
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从专业的角度讲，一般用酸度系数作为区分岩棉与矿棉的主要标志，酸度系数是指产品中酸性氧化物的含量之和与碱性氧化物含量之和的比值，即： 酸度系数Mk= ( 二氧化硅+三氧化二铝)/(氧化钙+氧化镁)
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一般将酸度系数大于1.6的产品称为岩棉；
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一般来讲，岩棉由于酸度系数高，其化学稳定性、耐高温性能等都要优于矿棉。
编辑本段生产加工
岩棉生产车间实景图
岩棉所具有的不燃、高熔点及开孔的纤维结构等特点，使岩棉制品具有非常好的防火、保温和隔音等性能，广泛用于各类建筑，工业以及船舶，以提高能源利用效率、降低各类污染物的排放、提高防火安全；另外，加入某些特殊成分后，岩棉还可以作为各类蔬菜、瓜果及花卉等的种植基材。编辑本段技术参数
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项目
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指标
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检验方法
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岩棉板
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岩棉带
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密度 kg/m3
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≥140
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≥100
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直角偏离度 mm/m
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≤5
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平整度偏差mm
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≤6
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酸度系数
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GB/T 25975-2010 ≥1.6
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DB37/1887-2011 ≥1.8
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尺寸稳定性 %
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≤1.0
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质量吸湿性%
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≤1.0
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憎水率 %
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≥99.0
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吸水量(部分浸入)
kg/m? |
(短期24h)
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≤1.0
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(长期28d)
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≤3.0
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导热系数 (平均温度25c)W/(m.k)
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≤0.040
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≤0.048
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垂直于表面的抗拉
强度 kPa |
TR80
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-
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≥80
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TR15
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≥15
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-
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TR10
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≥10
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-
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TR7.5
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≥7.5
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-
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压缩强度 kPa
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≥40
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燃烧性能等级
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A级
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熔化温度
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>1000
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规格mm
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1200*600*(30-200)
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1200*600*(30-100)
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编辑本段产品分类
防火隔离带岩棉带
金属面岩棉夹芯板
金属面岩棉夹心板
岩棉管
岩棉管
岩棉屋面板
编辑本段发展历史
岩棉
编辑本段施工介绍
外墙外保温岩棉施工结构图
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