E. seal with good weather resistance, and long time not lose viscosity and mechanical strength.
密封带有良好的耐候性，且长时间不失去粘性和机械强度。
2
The hydraulic fluid viscosity, the volumetric efficiency and the hydraulic system working efficiency drops, divulging increases, even causes the mechanical device to be unable the normal work.
液压油黏度、容积效率和液压系统工作效率均下降，泄漏增加，甚至使机械设备无法正常工作。
3
The key properties of additional liquid silicone potting material in electronic industry are viscosity, mechanical property and dielectric property.