宝鸡电缆接头保护盒由不燃无机耐火材料制成对称的两部分，并由多条螺栓对连接，能有效防止电缆接头爆裂起火的火灾蔓延，若有通风散热要求的接头盒可在盒身开散热孔，遇火时，散热孔封闭防止火势蔓延。此产品适用于电线电缆的接头处，有效地防止火灾发生时火焰的蔓延和扩散。
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检验项目
Inspection Item
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技术指标
Technical Target
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检验结果
Inspection Result
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耐火性能
Fire-resistant performance
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耐火完整性
Fire integrity
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A1级≥1.00h
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1.00h
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耐火隔热性
Heat insulation
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A1级≥1.00h
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1.00h
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燃烧性能 combustion performance
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≥ v-0 级 v-0 degree
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v-0 级 v-0 degree
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外观 Exterior appearance
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Plate, smooth surface
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Up to mustard
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抗弯强度/ MPa Anti-bending strength/ MPa
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≥0.10
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62.06
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耐水性/d Water tolerance/d
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≥3 不溶胀，不开裂no swelling and cracking
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3
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耐油性/d Oil resistivity/d
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≥3 不溶胀，不开裂 no swelling and cracking
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3
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耐湿热性/h Humidity resistance/h
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≥120不开裂不粉化 no swelling and efflorescence
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120
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耐冻融循环/次 Resistance to cold cycle/time
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≥15 不开裂，不粉化 no swelling and efflorescence
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15
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