1、产品类别代号
1)、低烟无卤—WDZ
2)、耐火—NH
3)、低烟无卤耐火—WDZN
2、低烟无卤材料代号—Y
3、型号范围:所有电缆均可做成低烟无卤型。
4、举例
1)、RVVP做成低烟无卤型,其型号为:WDZ-RYYP
2)、SYV做成低烟无卤型,其型号为:WDZ-SYY
3)、KVV22做成低烟无卤耐火型,其型号为:WDZN-KYY22
5、产品特殊性能
1)、成品电缆成束燃烧实验的结果能满足GB 12666.5的规定并不低于B类;
2)、低烟无卤电缆燃烧后,PH值应≥4.3、电导率应≤10us/min;
3)、低烟无卤电缆应进行HCL释放量测定,其含量应≤100mg/g;
4)、低烟无卤电缆应进行烟密度实验,其透光率应≥60%;
5)、耐火型电缆应进行通电燃烧试验,燃烧温度(750~800)℃,90min不短路。
执行标准;JB/T8734.5-2016、GB/T19666-2019


芯数×标称截面积mm2 | 导体中单线直径mm | 绝缘厚度规定值 mm | 屏蔽层密度 % | 护套厚度规定值mm | 20℃时导体电阻 值Ω/km | 70℃时绝缘 电阻最小值 MΩ·km | |
2×0.75 | 0.21 | 0.6 | 60~80 | 0.6 | 26.0 | 0.011 | |
2×1.0 | 0.21 | 0.6 | 60~80 | 0.6 | 19.5 | 0.010 | |
2×1.5 | 0.26 | 0.6 | 60~80 | 0.8 | 13.3 | 0.0094 | |
2×2.5 | 0.26 | 0.7 | 60~80 | 1.0 | 7.98 | 0.0086 | |
2×4 | 0.31 | 0.8 | 60~80 | 1.2 | 4.95 | 0.0079 | |
3×0.75 | 0.21 | 0.6 | 60~80 | 0.6 | 26.0 | 0.011 | |
3×1.0 | 0.21 | 0.6 | 60~80 | 0.8 | 19.5 | 0.010 | |
3×1.5 | 0.26 | 0.6 | 60~80 | 0.8 | 13.3 | 0.0094 | |
3×2.5 | 0.26 | 0.7 | 60~80 | 1.0 | 7.98 | 0.0086 | |
3×4 | 0.31 | 0.8 | 60~80 | 1.2 | 4.95 | 0.0079 | |
4×0.75 | 0.21 | 0.6 | 60~80 | 0.8 | 26.0 | 0.011 | |
4×1.0 | 0.21 | 0.6 | 60~80 | 0.9 | 19.5 | 0.010 | |
4×1.5 | 0.26 | 0.6 | 60~80 | 0.9 | 13.3 | 0.0094 | |
4×2.5 | 0.26 | 0.7 | 60~80 | 1.0 | 7.98 | 0.0086 | |
5×0.75 | 0.21 | 0.6 | 60~80 | 0.8 | 26.0 | 0.011 | |
5×1.0 | 0.21 | 0.6 | 60~80 | 0.9 | 19.5 | 0.010 | |
5×1.5 | 0.26 | 0.6 | 60~80 | 1.0 | 13.3 | 0.0094 | |
5×2.5 | 0.26 | 0.7 | 60~80 | 1.1 | 7.98 | 0.0086 | |
6×0.75 | 0.21 | 0.6 | 60~80 | 0.8 | 26.0 | 0.011 | |
6×1.0 | 0.21 | 0.6 | 60~80 | 1.0 | 19.5 | 0.010 | |
6×1.5 | 0.26 | 0.6 | 60~80 | 1.0 | 13.3 | 0.0094 | |
6×2.5 | 0.26 | 0.7 | 60~80 | 1.1 | 7.98 | 0.0086 | |
8×0.75 | 0.21 | 0.6 | 60~80 | 0.8 | 26.0 | 0.011 | |
8×1.0 | 0.21 | 0.6 | 60~80 | 1.0 | 19.5 | 0.010 | |
8×1.5 | 0.26 | 0.6 | 60~80 | 1.0 | 13.3 | 0.0094 | |
8×2.5 | 0.26 | 0.7 | 60~80 | 1.2 | 7.98 | 0.0086 | |
10×1.0 | 0.21 | 0.6 | 60~80 | 1.0 | 19.5 | 0.010 | |
10×1.5 | 0.26 | 0.6 | 60~80 | 1.1 | 13.3 | 0.0094 | |
10×2.5 | 0.26 | 0.7 | 60~80 | 1.2 | 7.98 | 0.0086 | |
12×1.0 | 0.21 | 0.6 | 60~80 | 1.0 | 19.5 | 0.010 | |
12×1.5 | 0.26 | 0.6 | 60~80 | 1.2 | 13.3 | 0.0094 | |
12×2.5 | 0.26 | 0.7 | 60~80 | 1.4 | 7.98 | 0.0086 |