HYV市内通信电缆-HYV市内通信电缆HYV市内通信电缆-HYV市内通信电缆通信电缆型号HYA    HYAC    HYAT    HPVV    HYV    HJVV    HYY      
                配线电缆型号HPVV    ZR-HPVV      
                局用电缆型号HJVV    HJVVP    ZR-HJVV    ZR-HJVVP      
                铠装通信电缆型号HYA53    WDZ-HYA53    ZRC-HYA53      
                填充式铠装通信电缆型号HYAT53    WDZ-HYAT53    ZRC-HYAT53      
                其它铠装通信电缆型号HYA22    HYV22    HYAT22    HYY23    HYYT23    HYA23    HYAT23      
                钢丝铠装通信电缆HYA33    HYAT33    WDZ-HYA53    HYY33    HYYT33    HYY33      
                充油通信电缆HYAT    ZRC-HYAT    WDZ-HYAT    HYYT      
                全塑市话电缆执行标准：YD/T322-1996      
                全塑市话电缆结构特点：    HYA型市内通信电缆采用全色谱高密度聚乙稀绝缘，铝塑综合护套(即电缆的纵包屏蔽铝带与护套粘结成一体，形成密封护层)，具有电气性能优越，施工方便的特点。      
                全塑市话电缆主要电气性能：      
                1.    直流电阻:20℃    0.4    ≤148?/km    0.5    ≤95.0?/km    0.6    ≤65.8?/km    0.8    ≤36.6    ?/km      
                2.    绝缘电气强度：导体之间1min    1kv不击穿    导体与屏蔽1min    3kv不击穿      
                3.    绝缘电阻：每根芯线与其余线芯接地充气电缆大于10000MΩ.km填充式电缆大于3000MΩ.km。      
                4.    工作电容：平均值    52±2nF/km