EXB型防火復(fù)合橋架由無機(jī)和有機(jī)材料制成，具有不燃、質(zhì)輕、強(qiáng)度高、價(jià)格低、施工方便等特點(diǎn)。適用于電力、冶金、石化、有點(diǎn)通訊等行業(yè)各種電壓等級電纜的防火保護(hù)和耐火分隔。

　　EXB type fireproof multiple bridging made up of inorganic and organic materials, it has the characteristics of nonburining, lightweight, hing intension, low price, construction, post and telecom industries, and the fireproof protect and fireproof compartmentaion of all kinds of pressure level cable.

主要技術(shù)性能 Main technical performances

項(xiàng)目 Item	單位 Unit	技術(shù)性能指標(biāo)  Technical specification
體積密度 Bulk density	Kg/m3	(1.7±0.2)×103
耐水性 Water resistance	/	常溫下清水浸泡10d，無明顯變化 After soaking in clear water for 10 days under normal temperature, no obvious change shall occur.
拉伸強(qiáng)度 Tensile strength	MPa	≥35
彎曲強(qiáng)度 Bending strength	MPa	≥60
壓縮強(qiáng)度 Compressive strength	MPa	≥50
沖擊強(qiáng)度 Impact strength	J/m2	≥1.8×104
燃燒性能 Buming performance	/	A級 Grade A