浙江天华防火材料有限公司

EXB-3型复合防火槽盒由无机不燃材料为基体，内外表面复合有机高分子难燃材料制成，具有氧指数高，防火性能好，拉伸、弯曲、压缩强度高、刚性好、耐腐性好，耐候性好等特点且价格较低，适用于户内外的各种环境条件，产品广泛应用于化工、石油、电力、冶金、建筑等各个行业，各种电压等级的敷设，特别是重要回路及有防火防腐要求的场所中钢制桥架的理想替代产品。

　　EXB-3 type fireproof multiple tray made up of inorganic fireproof material base, the composite organic macromolecule fireproof material inside and outside surface; it has characteristics of high aerobic index, good performance of fireproof, high intension of stretching, crook and compress, good rigidity, good rot proofness and low price; it’s suitable for all kinds of environment condition indoor-outdoor, It’s widely used in electric power, petrifaction, metallurgy,construction, post and telecom industries, and the fireproof protect and fireproof compartmentation of all kinds of pressure level cable, especially the reasonable subsitutes of steel bridging in the ground has the fireproof requirement and the important loop.

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	(1.6±0.1)×103
耐水性 Water resistance	/	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.
拉伸强度 Tensile strength	MPa	≥45
弯曲强度 Bending strength	MPa	≥65
压缩强度 Compressive strength	MPa	≥35
冲击强度 Impact strength	J/m2	≥2.0×104
燃烧性能 Buming performance	/	B1级 Grade B1
耐酸性 Acid resistance		常温下浸泡30d，无明显变化 After soaking in clear water for 30 days under normal temperature, no obvious change shall occur.
复合强度 Composite strength	MPa	≥0.2