浙江天华防火材料有限公司

EXB型防火复合桥架由无机和有机材料制成，具有不燃、质轻、强度高、价格低、施工方便等特点。适用于电力、冶金、石化、有点通讯等行业各种电压等级电缆的防火保护和耐火分隔。

　　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 occur.
拉伸强度 Tensile strength	MPa	≥35
弯曲强度 Bending strength	MPa	≥60
压缩强度 Compressive strength	MPa	≥50
冲击强度 Impact strength	J/m2	≥1.8×104
燃烧性能 Buming performance	/	A级 Grade A