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最新BF-3型电缆用防火隔板
发布时间：2011-03-18 浏览次数：463 返回列表
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该产品具有难燃性、耐腐蚀、耐油、耐火、质轻、规格型号多等特点，适用于电缆层之间的防火分隔及大孔洞防火封堵，也可用于制作各类防火罩盖、防火挡板和防火门。
BF型产品由无机不燃材料制成，BF-3型产品由无机和有机难燃材料复合而成。
These products are characterized by the good incombustibility and the high oil-,c corrosion- and fire-resistance and for themmany specifications are available. They are widely used in fireproof partition of cable layers, firproof blockage for large openings, as well as in fireproof covers, fireproof retaining boards and fireproof doors.
Type BF partition is made of inorganic non-flammable materials, and type BF-3 compounded with both the organic and the inorganic non-flammable materials.
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主要技术性能 Main technical performances
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项目
Item
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单位
Unit
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技术性能指标
Technical specification
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体积密度
Bulk density
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Kg/m3
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(1.6±0.1)×103
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耐水性
Water resistance
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常温下清水浸泡30d，无明显变化
After soaking in clear water for 30 days under normal temperature, no obvious change shall occur.
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常温下清水浸泡48h，其吸收率应不大于20％
Soaking at room temperature 48h,its absorption rate should not exceed 20%
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常温下清水浸泡48h的吸水状态下，弯曲强度不小于90MPa
48h at room temperature soaking the absorbent state, the bending strength of not less than 90MPa
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拉伸强度
Tensile strength
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MPa
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≥45
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弯曲强度
Bending strength
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MPa
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≥65
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压缩强度
Compressive strength
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MPa
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≥35
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燃烧性能
Buming performance
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B1级
Grade B1
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耐酸性
Acid resistance
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常温下清水浸泡30d，无明显变化
After soaking in clear water for 30 days under normal temperature, no obvious change shall occur.
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耐盐水性
Salt tolerance
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常温下清水浸泡30d，无明显变化
After soaking in clear water for 30 days under normal temperature, no obvious change shall occur.
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耐碱性
Alkali resistamce
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常温下清水浸泡30d，无明显变化
After soaking in clear water for 30 days under normal temperature, no obvious change shall occur.
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