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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。
主要技术性能 Main technical performances |
项目 Item | 单位 Unit | 技术性能指标 Technical specification | 体积密度 Bulk density | Kg/m3 | (1.7±0.2)×103 | 耐水性 Water resistance | / | 常温下清水浸泡10d,无明显变化 After soaking in clear water for 10 days under normal temperature, no obvious change shall ur. | 拉伸强度 Tensile strength | MPa | ≥35 | 弯曲强度 Bending strength | MPa | ≥45 | 压缩强度 Compressive strength | MPa | ≥35 | 燃烧性能 Buming performance | / | A级 Grade A |
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