The 35kV middle joint explosion-proof box is designed to provide safety protection for power cable middle joints using high-strength materials. Its main function is to contain high-pressure airflow, flames, and debris caused by cable faults, preventing harm to surrounding electrical equipment and personnel. The explosion-proof box features excellent fire, explosion, and corrosion resistance, making it suitable for various power environments and harsh conditions, ensuring the stable operation of the power system. As a key connection point in the power network, the safety of the cable middle joint directly impacts the stability of the entire electrical system. This explosion-proof box effectively prevents secondary accidents caused by cable faults, providing comprehensive protection.
| Fire Resistance | Class A Non-flammable, Flame Retardant Qualified |
| Explosion-proof Performance: | Tensile Strength: >520Mpa |
| Compressive Strength: >225Mpa | |
| Flexural Strength: >245Mpa | |
| Crack Hardness: >250HB | |
| Chemical & Physical Performance: | Composite Strength: >95 |
| Acid Resistance: No significant change after 90 days immersion at room temperature | |
| Alkali Resistance: No significant change after 90 days immersion at "intestinal" condition | |
| Corrosion Resistance: No defects after 75h neutral salt spray test, reaching Class 10 |
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