江苏春晨电缆有限公司：https://www.ybzhan.cn/st82365/
1, 20 degrees Celsius conductor DC resistance value should be consistent with the requirements of the second class or fifth class conductor GB/T3956.
2、燃烧性能：DDZ-DCYJYR 直流牵引软电缆
2, combustion performance:
(1)电缆阻燃试验，通过IEC60332-3或GB/T18380.3规定的成束类燃烧试验。
(1) cable flame retardant test, through the IEC60332-3 or GB/T18380.3 specified in the beam type combustion test.
(2) for non halogen low smoke type DC traction cable:
The halogen gas release test PH = 4.3, the conductivity is less than or equal to 10 mu S/mm.
Smoke density test of burning, the transmittance is greater than or equal to 60%.
3, the cable through the UV resistant performance test.
4, moisture resistance test: the cable water immersion 72h, insulation line core surface without water.
产品特点，DDZ-DCYJYR 直流牵引软电缆
Product features
1、稳定的电气、绝缘性能；
1, stable electrical, insulation performance;
2、介质损耗较小、电压降低、过载保护能力强；
2, the dielectric loss is small, the voltage is reduced, the overload protection ability is strong;
3、具有无卤低烟环保卫生等特性；
3, with the characteristics of low smoke, low smoke, environmental protection, health and other characteristics;
4、电缆燃烧透光率大；
4, cable burning light transmission rate;
5, excellent flame retardant properties;
6, with UV aging resistance;
7、优良的防水耐湿性能；
7, excellent waterproof and moisture resistance;
8、具有较好的可绕曲性能
8, with a good performance can be around
