Main technical parameters:

Working temperature: - 50 °C ~ + 40 °C
When the relative humidity: 85% or less (30 °C)
The atmospheric pressure: from 70 to 106 kpa
Minimum shrinkage temperature: 120 °C
Material: EVA inner Tube, PE out tube ,steel rod inside

Features: 

1.consist of cross-linked polyolefin, hot fusion tubing and stainless reinforved steel rod (quartz or ceramic). 
2. keep optical transmission performance of optical fiber. 
3. Provide safe protection to optical fiber splicing. 
4. Easily use and avoid any damage to the optical fiber during installation. 
5. Sealing structure provides good performance to the splicing in the environment with temperature and humidity.